219945

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:93

約数の個数: 32

約数和(自身を含む): 405504

約数和(自身を除く): 185559

約数列:

[1, 3, 5, 11, 15, 31, 33, 43, 55, 93, 129, 155, 165, 215, 341, 465, 473, 645, 1023, 1333, 1419, 1705, 2365, 3999, 5115, 6665, 7095, 14663, 19995, 43989, 73315, 219945]

約数ペア:

[(1, 219945), (3, 73315), (5, 43989), (11, 19995), (15, 14663), (31, 7095), (33, 6665), (43, 5115), (55, 3999), (93, 2365), (129, 1705), (155, 1419), (165, 1333), (215, 1023), (341, 645), (465, 473)]