30810915

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{9923}}^1$

素因数の和:9960

約数の個数: 32

約数和(自身を含む): 57162240

約数和(自身を除く): 26351325

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 345, 621, 1035, 3105, 9923, 29769, 49615, 89307, 148845, 228229, 267921, 446535, 684687, 1141145, 1339605, 2054061, 3423435, 6162183, 10270305, 30810915]

約数ペア:

[(1, 30810915), (3, 10270305), (5, 6162183), (9, 3423435), (15, 2054061), (23, 1339605), (27, 1141145), (45, 684687), (69, 446535), (115, 267921), (135, 228229), (207, 148845), (345, 89307), (621, 49615), (1035, 29769), (3105, 9923)]