16017813

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3581}}^1$

素因数の和:3665

約数の個数: 24

約数和(自身を含む): 26822016

約数和(自身を除く): 10804203

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 3581, 4473, 10743, 25067, 32229, 75201, 225603, 254251, 762753, 1779757, 2288259, 5339271, 16017813]

約数ペア:

[(1, 16017813), (3, 5339271), (7, 2288259), (9, 1779757), (21, 762753), (63, 254251), (71, 225603), (213, 75201), (497, 32229), (639, 25067), (1491, 10743), (3581, 4473)]