7938015

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{397}}^1$

素因数の和:479

約数の個数: 32

約数和(自身を含む): 13449216

約数和(自身を除く): 5511201

約数列:

[1, 3, 5, 15, 31, 43, 93, 129, 155, 215, 397, 465, 645, 1191, 1333, 1985, 3999, 5955, 6665, 12307, 17071, 19995, 36921, 51213, 61535, 85355, 184605, 256065, 529201, 1587603, 2646005, 7938015]

約数ペア:

[(1, 7938015), (3, 2646005), (5, 1587603), (15, 529201), (31, 256065), (43, 184605), (93, 85355), (129, 61535), (155, 51213), (215, 36921), (397, 19995), (465, 17071), (645, 12307), (1191, 6665), (1333, 5955), (1985, 3999)]