61898865

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:147

約数の個数: 96

約数和(自身を含む): 126406656

約数和(自身を除く): 64507791

約数列:

[1, 3, 5, 7, 15, 19, 21, 23, 35, 57, 69, 71, 95, 105, 115, 133, 161, 213, 285, 345, 355, 361, 399, 437, 483, 497, 665, 805, 1065, 1083, 1311, 1349, 1491, 1633, 1805, 1995, 2185, 2415, 2485, 2527, 3059, 4047, 4899, 5415, 6555, 6745, 7455, 7581, 8165, 8303, 9177, 9443, 11431, 12635, 15295, 20235, 24495, 24909, 25631, 28329, 31027, 34293, 37905, 41515, 45885, 47215, 57155, 58121, 76893, 93081, 124545, 128155, 141645, 155135, 171465, 174363, 179417, 217189, 290605, 384465, 465405, 538251, 589513, 651567, 871815, 897085, 1085945, 1768539, 2691255, 2947565, 3257835, 4126591, 8842695, 12379773, 20632955, 61898865]

約数ペア:

[(1, 61898865), (3, 20632955), (5, 12379773), (7, 8842695), (15, 4126591), (19, 3257835), (21, 2947565), (23, 2691255), (35, 1768539), (57, 1085945), (69, 897085), (71, 871815), (95, 651567), (105, 589513), (115, 538251), (133, 465405), (161, 384465), (213, 290605), (285, 217189), (345, 179417), (355, 174363), (361, 171465), (399, 155135), (437, 141645), (483, 128155), (497, 124545), (665, 93081), (805, 76893), (1065, 58121), (1083, 57155), (1311, 47215), (1349, 45885), (1491, 41515), (1633, 37905), (1805, 34293), (1995, 31027), (2185, 28329), (2415, 25631), (2485, 24909), (2527, 24495), (3059, 20235), (4047, 15295), (4899, 12635), (5415, 11431), (6555, 9443), (6745, 9177), (7455, 8303), (7581, 8165)]