15728121

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{379}}^1$

素因数の和:470

約数の個数: 32

約数和(自身を含む): 24624000

約数和(自身を除く): 8895879

約数列:

[1, 3, 9, 27, 29, 53, 87, 159, 261, 379, 477, 783, 1137, 1431, 1537, 3411, 4611, 10233, 10991, 13833, 20087, 32973, 41499, 60261, 98919, 180783, 296757, 542349, 582523, 1747569, 5242707, 15728121]

約数ペア:

[(1, 15728121), (3, 5242707), (9, 1747569), (27, 582523), (29, 542349), (53, 296757), (87, 180783), (159, 98919), (261, 60261), (379, 41499), (477, 32973), (783, 20087), (1137, 13833), (1431, 10991), (1537, 10233), (3411, 4611)]