30720015

素因数分解:

$3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{6263}}^1$

素因数の和:6383

約数の個数: 24

約数和(自身を含む): 53745120

約数和(自身を除く): 23025105

約数列:

[1, 3, 5, 9, 15, 45, 109, 327, 545, 981, 1635, 4905, 6263, 18789, 31315, 56367, 93945, 281835, 682667, 2048001, 3413335, 6144003, 10240005, 30720015]

約数ペア:

[(1, 30720015), (3, 10240005), (5, 6144003), (9, 3413335), (15, 2048001), (45, 682667), (109, 281835), (327, 93945), (545, 56367), (981, 31315), (1635, 18789), (4905, 6263)]