20121015

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43271}}^1$

素因数の和:43310

約数の個数: 16

約数和(自身を含む): 33232896

約数和(自身を除く): 13111881

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 43271, 129813, 216355, 649065, 1341401, 4024203, 6707005, 20121015]

約数ペア:

[(1, 20121015), (3, 6707005), (5, 4024203), (15, 1341401), (31, 649065), (93, 216355), (155, 129813), (465, 43271)]