212969385

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1051}}^1$

素因数の和:1163

約数の個数: 64

約数和(自身を含む): 403968000

約数和(自身を除く): 190998615

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 79, 95, 135, 171, 237, 285, 395, 513, 711, 855, 1051, 1185, 1501, 2133, 2565, 3153, 3555, 4503, 5255, 7505, 9459, 10665, 13509, 15765, 19969, 22515, 28377, 40527, 47295, 59907, 67545, 83029, 99845, 141885, 179721, 202635, 249087, 299535, 415145, 539163, 747261, 898605, 1245435, 1577551, 2241783, 2695815, 3736305, 4732653, 7887755, 11208915, 14197959, 23663265, 42593877, 70989795, 212969385]

約数ペア:

[(1, 212969385), (3, 70989795), (5, 42593877), (9, 23663265), (15, 14197959), (19, 11208915), (27, 7887755), (45, 4732653), (57, 3736305), (79, 2695815), (95, 2241783), (135, 1577551), (171, 1245435), (237, 898605), (285, 747261), (395, 539163), (513, 415145), (711, 299535), (855, 249087), (1051, 202635), (1185, 179721), (1501, 141885), (2133, 99845), (2565, 83029), (3153, 67545), (3555, 59907), (4503, 47295), (5255, 40527), (7505, 28377), (9459, 22515), (10665, 19969), (13509, 15765)]