28673655

素因数分解:

$3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{277}}^1$

素因数の和:455

約数の個数: 32

約数和(自身を含む): 47184384

約数和(自身を除く): 18510729

約数列:

[1, 3, 5, 15, 67, 103, 201, 277, 309, 335, 515, 831, 1005, 1385, 1545, 4155, 6901, 18559, 20703, 28531, 34505, 55677, 85593, 92795, 103515, 142655, 278385, 427965, 1911577, 5734731, 9557885, 28673655]

約数ペア:

[(1, 28673655), (3, 9557885), (5, 5734731), (15, 1911577), (67, 427965), (103, 278385), (201, 142655), (277, 103515), (309, 92795), (335, 85593), (515, 55677), (831, 34505), (1005, 28531), (1385, 20703), (1545, 18559), (4155, 6901)]