31389135

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{2459}}^1$

素因数の和:2527

約数の個数: 32

約数和(自身を含む): 53844480

約数和(自身を除く): 22455345

約数列:

[1, 3, 5, 15, 23, 37, 69, 111, 115, 185, 345, 555, 851, 2459, 2553, 4255, 7377, 12295, 12765, 36885, 56557, 90983, 169671, 272949, 282785, 454915, 848355, 1364745, 2092609, 6277827, 10463045, 31389135]

約数ペア:

[(1, 31389135), (3, 10463045), (5, 6277827), (15, 2092609), (23, 1364745), (37, 848355), (69, 454915), (111, 282785), (115, 272949), (185, 169671), (345, 90983), (555, 56557), (851, 36885), (2459, 12765), (2553, 12295), (4255, 7377)]