3139215

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:239

約数の個数: 32

約数和(自身を含む): 5339136

約数和(自身を除く): 2199921

約数列:

[1, 3, 5, 15, 31, 43, 93, 129, 155, 157, 215, 465, 471, 645, 785, 1333, 2355, 3999, 4867, 6665, 6751, 14601, 19995, 20253, 24335, 33755, 73005, 101265, 209281, 627843, 1046405, 3139215]

約数ペア:

[(1, 3139215), (3, 1046405), (5, 627843), (15, 209281), (31, 101265), (43, 73005), (93, 33755), (129, 24335), (155, 20253), (157, 19995), (215, 14601), (465, 6751), (471, 6665), (645, 4867), (785, 3999), (1333, 2355)]