13287725

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{229}}^1$

素因数の和:461

約数の個数: 24

約数和(自身を含む): 18138720

約数和(自身を除く): 4850995

約数列:

[1, 5, 11, 25, 55, 211, 229, 275, 1055, 1145, 2321, 2519, 5275, 5725, 11605, 12595, 48319, 58025, 62975, 241595, 531509, 1207975, 2657545, 13287725]

約数ペア:

[(1, 13287725), (5, 2657545), (11, 1207975), (25, 531509), (55, 241595), (211, 62975), (229, 58025), (275, 48319), (1055, 12595), (1145, 11605), (2321, 5725), (2519, 5275)]