2100015

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2029}}^1$

素因数の和:2063

約数の個数: 24

約数和(自身を含む): 3800160

約数和(自身を除く): 1700145

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 2029, 6087, 10145, 18261, 30435, 46667, 91305, 140001, 233335, 420003, 700005, 2100015]

約数ペア:

[(1, 2100015), (3, 700005), (5, 420003), (9, 233335), (15, 140001), (23, 91305), (45, 46667), (69, 30435), (115, 18261), (207, 10145), (345, 6087), (1035, 2029)]