27901025

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{389}}^1$

素因数の和:569

約数の個数: 24

約数和(自身を含む): 36753600

約数和(自身を除く): 8852575

約数列:

[1, 5, 19, 25, 95, 151, 389, 475, 755, 1945, 2869, 3775, 7391, 9725, 14345, 36955, 58739, 71725, 184775, 293695, 1116041, 1468475, 5580205, 27901025]

約数ペア:

[(1, 27901025), (5, 5580205), (19, 1468475), (25, 1116041), (95, 293695), (151, 184775), (389, 71725), (475, 58739), (755, 36955), (1945, 14345), (2869, 9725), (3775, 7391)]