28172375

素因数分解:

$5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2927}}^1$

素因数の和:2960

約数の個数: 32

約数和(自身を含む): 43849728

約数和(自身を除く): 15677353

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 125, 175, 275, 385, 875, 1375, 1925, 2927, 9625, 14635, 20489, 32197, 73175, 102445, 160985, 225379, 365875, 512225, 804925, 1126895, 2561125, 4024625, 5634475, 28172375]

約数ペア:

[(1, 28172375), (5, 5634475), (7, 4024625), (11, 2561125), (25, 1126895), (35, 804925), (55, 512225), (77, 365875), (125, 225379), (175, 160985), (275, 102445), (385, 73175), (875, 32197), (1375, 20489), (1925, 14635), (2927, 9625)]