15278975

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{233}}^1$

素因数の和:347

約数の個数: 24

約数和(自身を含む): 19788912

約数和(自身を除く): 4509937

約数列:

[1, 5, 25, 43, 61, 215, 233, 305, 1075, 1165, 1525, 2623, 5825, 10019, 13115, 14213, 50095, 65575, 71065, 250475, 355325, 611159, 3055795, 15278975]

約数ペア:

[(1, 15278975), (5, 3055795), (25, 611159), (43, 355325), (61, 250475), (215, 71065), (233, 65575), (305, 50095), (1075, 14213), (1165, 13115), (1525, 10019), (2623, 5825)]