25721631

素因数分解:

$3^4\times {\mathrm{13}}^2\times {\mathrm{1879}}^1$

素因数の和:1917

約数の個数: 30

約数和(自身を含む): 41628840

約数和(自身を除く): 15907209

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 169, 351, 507, 1053, 1521, 1879, 4563, 5637, 13689, 16911, 24427, 50733, 73281, 152199, 219843, 317551, 659529, 952653, 1978587, 2857959, 8573877, 25721631]

約数ペア:

[(1, 25721631), (3, 8573877), (9, 2857959), (13, 1978587), (27, 952653), (39, 659529), (81, 317551), (117, 219843), (169, 152199), (351, 73281), (507, 50733), (1053, 24427), (1521, 16911), (1879, 13689), (4563, 5637)]