28490925

素因数分解:

$3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{10267}}^1$

素因数の和:10317

約数の個数: 24

約数和(自身を含む): 48382816

約数和(自身を除く): 19891891

約数列:

[1, 3, 5, 15, 25, 37, 75, 111, 185, 555, 925, 2775, 10267, 30801, 51335, 154005, 256675, 379879, 770025, 1139637, 1899395, 5698185, 9496975, 28490925]

約数ペア:

[(1, 28490925), (3, 9496975), (5, 5698185), (15, 1899395), (25, 1139637), (37, 770025), (75, 379879), (111, 256675), (185, 154005), (555, 51335), (925, 30801), (2775, 10267)]