30605985

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{9857}}^1$

素因数の和:9894

約数の個数: 32

約数和(自身を含む): 56782080

約数和(自身を除く): 26176095

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 345, 621, 1035, 3105, 9857, 29571, 49285, 88713, 147855, 226711, 266139, 443565, 680133, 1133555, 1330695, 2040399, 3400665, 6121197, 10201995, 30605985]

約数ペア:

[(1, 30605985), (3, 10201995), (5, 6121197), (9, 3400665), (15, 2040399), (23, 1330695), (27, 1133555), (45, 680133), (69, 443565), (115, 266139), (135, 226711), (207, 147855), (345, 88713), (621, 49285), (1035, 29571), (3105, 9857)]