31278015

素因数分解:

$3^3\times 5^1\times {\mathrm{443}}^1\times {\mathrm{523}}^1$

素因数の和:980

約数の個数: 32

約数和(自身を含む): 55837440

約数和(自身を除く): 24559425

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 443, 523, 1329, 1569, 2215, 2615, 3987, 4707, 6645, 7845, 11961, 14121, 19935, 23535, 59805, 70605, 231689, 695067, 1158445, 2085201, 3475335, 6255603, 10426005, 31278015]

約数ペア:

[(1, 31278015), (3, 10426005), (5, 6255603), (9, 3475335), (15, 2085201), (27, 1158445), (45, 695067), (135, 231689), (443, 70605), (523, 59805), (1329, 23535), (1569, 19935), (2215, 14121), (2615, 11961), (3987, 7845), (4707, 6645)]