28373787

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{353}}^1$

素因数の和:604

約数の個数: 32

約数和(自身を含む): 45595200

約数和(自身を除く): 17221413

約数列:

[1, 3, 9, 13, 27, 39, 117, 229, 351, 353, 687, 1059, 2061, 2977, 3177, 4589, 6183, 8931, 9531, 13767, 26793, 41301, 80379, 80837, 123903, 242511, 727533, 1050881, 2182599, 3152643, 9457929, 28373787]

約数ペア:

[(1, 28373787), (3, 9457929), (9, 3152643), (13, 2182599), (27, 1050881), (39, 727533), (117, 242511), (229, 123903), (351, 80837), (353, 80379), (687, 41301), (1059, 26793), (2061, 13767), (2977, 9531), (3177, 8931), (4589, 6183)]