71206965

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:144

約数の個数: 128

約数和(自身を含む): 149299200

約数和(自身を除く): 78092235

約数列:

[1, 3, 5, 9, 15, 17, 19, 23, 27, 45, 51, 57, 69, 71, 85, 95, 115, 135, 153, 171, 207, 213, 255, 285, 323, 345, 355, 391, 437, 459, 513, 621, 639, 765, 855, 969, 1035, 1065, 1173, 1207, 1311, 1349, 1615, 1633, 1917, 1955, 2185, 2295, 2565, 2907, 3105, 3195, 3519, 3621, 3933, 4047, 4845, 4899, 5865, 6035, 6555, 6745, 7429, 8165, 8721, 9585, 10557, 10863, 11799, 12141, 14535, 14697, 17595, 18105, 19665, 20235, 22287, 22933, 24495, 27761, 31027, 32589, 36423, 37145, 43605, 44091, 52785, 54315, 58995, 60705, 66861, 68799, 73485, 83283, 93081, 111435, 114665, 138805, 155135, 162945, 182115, 200583, 206397, 220455, 249849, 279243, 334305, 343995, 416415, 465405, 527459, 619191, 749547, 837729, 1002915, 1031985, 1249245, 1396215, 1582377, 2637295, 3095955, 3747735, 4188645, 4747131, 7911885, 14241393, 23735655, 71206965]

約数ペア:

[(1, 71206965), (3, 23735655), (5, 14241393), (9, 7911885), (15, 4747131), (17, 4188645), (19, 3747735), (23, 3095955), (27, 2637295), (45, 1582377), (51, 1396215), (57, 1249245), (69, 1031985), (71, 1002915), (85, 837729), (95, 749547), (115, 619191), (135, 527459), (153, 465405), (171, 416415), (207, 343995), (213, 334305), (255, 279243), (285, 249849), (323, 220455), (345, 206397), (355, 200583), (391, 182115), (437, 162945), (459, 155135), (513, 138805), (621, 114665), (639, 111435), (765, 93081), (855, 83283), (969, 73485), (1035, 68799), (1065, 66861), (1173, 60705), (1207, 58995), (1311, 54315), (1349, 52785), (1615, 44091), (1633, 43605), (1917, 37145), (1955, 36423), (2185, 32589), (2295, 31027), (2565, 27761), (2907, 24495), (3105, 22933), (3195, 22287), (3519, 20235), (3621, 19665), (3933, 18105), (4047, 17595), (4845, 14697), (4899, 14535), (5865, 12141), (6035, 11799), (6555, 10863), (6745, 10557), (7429, 9585), (8165, 8721)]