2219475

素因数分解:

$3^1\times 5^2\times {\mathrm{101}}^1\times {\mathrm{293}}^1$

素因数の和:407

約数の個数: 24

約数和(自身を含む): 3718512

約数和(自身を除く): 1499037

約数列:

[1, 3, 5, 15, 25, 75, 101, 293, 303, 505, 879, 1465, 1515, 2525, 4395, 7325, 7575, 21975, 29593, 88779, 147965, 443895, 739825, 2219475]

約数ペア:

[(1, 2219475), (3, 739825), (5, 443895), (15, 147965), (25, 88779), (75, 29593), (101, 21975), (293, 7575), (303, 7325), (505, 4395), (879, 2525), (1465, 1515)]