30999975

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{17971}}^1$

素因数の和:18007

約数の個数: 24

約数和(自身を含む): 53484672

約数和(自身を除く): 22484697

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 115, 345, 575, 1725, 17971, 53913, 89855, 269565, 413333, 449275, 1239999, 1347825, 2066665, 6199995, 10333325, 30999975]

約数ペア:

[(1, 30999975), (3, 10333325), (5, 6199995), (15, 2066665), (23, 1347825), (25, 1239999), (69, 449275), (75, 413333), (115, 269565), (345, 89855), (575, 53913), (1725, 17971)]