28118025

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{9613}}^1$

素因数の和:9642

約数の個数: 36

約数和(自身を含む): 54242188

約数和(自身を除く): 26124163

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 195, 225, 325, 585, 975, 2925, 9613, 28839, 48065, 86517, 124969, 144195, 240325, 374907, 432585, 624845, 720975, 1124721, 1874535, 2162925, 3124225, 5623605, 9372675, 28118025]

約数ペア:

[(1, 28118025), (3, 9372675), (5, 5623605), (9, 3124225), (13, 2162925), (15, 1874535), (25, 1124721), (39, 720975), (45, 624845), (65, 432585), (75, 374907), (117, 240325), (195, 144195), (225, 124969), (325, 86517), (585, 48065), (975, 28839), (2925, 9613)]