639551715

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{947}}^1\times {\mathrm{4093}}^1$

素因数の和:5059

約数の個数: 32

約数和(自身を含む): 1117760256

約数和(自身を除く): 478208541

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 947, 2841, 4093, 4735, 10417, 12279, 14205, 20465, 31251, 45023, 52085, 61395, 135069, 156255, 225115, 675345, 3876071, 11628213, 19380355, 42636781, 58141065, 127910343, 213183905, 639551715]

約数ペア:

[(1, 639551715), (3, 213183905), (5, 127910343), (11, 58141065), (15, 42636781), (33, 19380355), (55, 11628213), (165, 3876071), (947, 675345), (2841, 225115), (4093, 156255), (4735, 135069), (10417, 61395), (12279, 52085), (14205, 45023), (20465, 31251)]