221501217

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{223}}^1\times {\mathrm{233}}^1$

素因数の和:502

約数の個数: 48

約数和(自身を含む): 358525440

約数和(自身を除く): 137024223

約数列:

[1, 3, 7, 21, 29, 49, 87, 147, 203, 223, 233, 609, 669, 699, 1421, 1561, 1631, 4263, 4683, 4893, 6467, 6757, 10927, 11417, 19401, 20271, 32781, 34251, 45269, 47299, 51959, 135807, 141897, 155877, 316883, 331093, 363713, 950649, 993279, 1091139, 1506811, 2545991, 4520433, 7637973, 10547677, 31643031, 73833739, 221501217]

約数ペア:

[(1, 221501217), (3, 73833739), (7, 31643031), (21, 10547677), (29, 7637973), (49, 4520433), (87, 2545991), (147, 1506811), (203, 1091139), (223, 993279), (233, 950649), (609, 363713), (669, 331093), (699, 316883), (1421, 155877), (1561, 141897), (1631, 135807), (4263, 51959), (4683, 47299), (4893, 45269), (6467, 34251), (6757, 32781), (10927, 20271), (11417, 19401)]