1840803405

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:307

約数の個数: 128

約数和(自身を含む): 3608150016

約数和(自身を除く): 1767346611

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 61, 73, 93, 105, 127, 155, 183, 217, 219, 305, 365, 381, 427, 465, 511, 635, 651, 889, 915, 1085, 1095, 1281, 1533, 1891, 1905, 2135, 2263, 2555, 2667, 3255, 3937, 4445, 4453, 5673, 6405, 6789, 7665, 7747, 9271, 9455, 11315, 11811, 13237, 13335, 13359, 15841, 19685, 22265, 23241, 27559, 27813, 28365, 31171, 33945, 38735, 39711, 46355, 47523, 54229, 59055, 64897, 66185, 66795, 79205, 82677, 93513, 116205, 137795, 138043, 139065, 155855, 162687, 194691, 198555, 237615, 240157, 271145, 287401, 324485, 413385, 414129, 467565, 565531, 690215, 720471, 813435, 862203, 966301, 973455, 1200785, 1437005, 1681099, 1696593, 2011807, 2070645, 2827655, 2898903, 3602355, 3958717, 4311015, 4831505, 5043297, 6035421, 8405495, 8482965, 10059035, 11876151, 14494515, 17531461, 19793585, 25216485, 30177105, 52594383, 59380755, 87657305, 122720227, 262971915, 368160681, 613601135, 1840803405]

約数ペア:

[(1, 1840803405), (3, 613601135), (5, 368160681), (7, 262971915), (15, 122720227), (21, 87657305), (31, 59380755), (35, 52594383), (61, 30177105), (73, 25216485), (93, 19793585), (105, 17531461), (127, 14494515), (155, 11876151), (183, 10059035), (217, 8482965), (219, 8405495), (305, 6035421), (365, 5043297), (381, 4831505), (427, 4311015), (465, 3958717), (511, 3602355), (635, 2898903), (651, 2827655), (889, 2070645), (915, 2011807), (1085, 1696593), (1095, 1681099), (1281, 1437005), (1533, 1200785), (1891, 973455), (1905, 966301), (2135, 862203), (2263, 813435), (2555, 720471), (2667, 690215), (3255, 565531), (3937, 467565), (4445, 414129), (4453, 413385), (5673, 324485), (6405, 287401), (6789, 271145), (7665, 240157), (7747, 237615), (9271, 198555), (9455, 194691), (11315, 162687), (11811, 155855), (13237, 139065), (13335, 138043), (13359, 137795), (15841, 116205), (19685, 93513), (22265, 82677), (23241, 79205), (27559, 66795), (27813, 66185), (28365, 64897), (31171, 59055), (33945, 54229), (38735, 47523), (39711, 46355)]