80681445

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{103}}^2$

素因数の和:243

約数の個数: 54

約数和(自身を含む): 152917362

約数和(自身を除く): 72235917

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 103, 117, 169, 195, 309, 507, 515, 585, 845, 927, 1339, 1521, 1545, 2535, 4017, 4635, 6695, 7605, 10609, 12051, 17407, 20085, 31827, 52221, 53045, 60255, 87035, 95481, 137917, 156663, 159135, 261105, 413751, 477405, 689585, 783315, 1241253, 1792921, 2068755, 5378763, 6206265, 8964605, 16136289, 26893815, 80681445]

約数ペア:

[(1, 80681445), (3, 26893815), (5, 16136289), (9, 8964605), (13, 6206265), (15, 5378763), (39, 2068755), (45, 1792921), (65, 1241253), (103, 783315), (117, 689585), (169, 477405), (195, 413751), (309, 261105), (507, 159135), (515, 156663), (585, 137917), (845, 95481), (927, 87035), (1339, 60255), (1521, 53045), (1545, 52221), (2535, 31827), (4017, 20085), (4635, 17407), (6695, 12051), (7605, 10609)]