9901375

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{379}}^1$

素因数の和:424

約数の個数: 32

約数和(自身を含む): 14227200

約数和(自身を除く): 4325825

約数列:

[1, 5, 11, 19, 25, 55, 95, 125, 209, 275, 379, 475, 1045, 1375, 1895, 2375, 4169, 5225, 7201, 9475, 20845, 26125, 36005, 47375, 79211, 104225, 180025, 396055, 521125, 900125, 1980275, 9901375]

約数ペア:

[(1, 9901375), (5, 1980275), (11, 900125), (19, 521125), (25, 396055), (55, 180025), (95, 104225), (125, 79211), (209, 47375), (275, 36005), (379, 26125), (475, 20845), (1045, 9475), (1375, 7201), (1895, 5225), (2375, 4169)]