128125725

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{18773}}^1$

素因数の和:18806

約数の個数: 48

約数和(自身を含む): 260733312

約数和(自身を除く): 132607587

約数列:

[1, 3, 5, 7, 13, 15, 21, 25, 35, 39, 65, 75, 91, 105, 175, 195, 273, 325, 455, 525, 975, 1365, 2275, 6825, 18773, 56319, 93865, 131411, 244049, 281595, 394233, 469325, 657055, 732147, 1220245, 1407975, 1708343, 1971165, 3285275, 3660735, 5125029, 6101225, 8541715, 9855825, 18303675, 25625145, 42708575, 128125725]

約数ペア:

[(1, 128125725), (3, 42708575), (5, 25625145), (7, 18303675), (13, 9855825), (15, 8541715), (21, 6101225), (25, 5125029), (35, 3660735), (39, 3285275), (65, 1971165), (75, 1708343), (91, 1407975), (105, 1220245), (175, 732147), (195, 657055), (273, 469325), (325, 394233), (455, 281595), (525, 244049), (975, 131411), (1365, 93865), (2275, 56319), (6825, 18773)]