28117815

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{8969}}^1$

素因数の和:9007

約数の個数: 32

約数和(自身を含む): 51667200

約数和(自身を除く): 23549385

約数列:

[1, 3, 5, 11, 15, 19, 33, 55, 57, 95, 165, 209, 285, 627, 1045, 3135, 8969, 26907, 44845, 98659, 134535, 170411, 295977, 493295, 511233, 852055, 1479885, 1874521, 2556165, 5623563, 9372605, 28117815]

約数ペア:

[(1, 28117815), (3, 9372605), (5, 5623563), (11, 2556165), (15, 1874521), (19, 1479885), (33, 852055), (55, 511233), (57, 493295), (95, 295977), (165, 170411), (209, 134535), (285, 98659), (627, 44845), (1045, 26907), (3135, 8969)]