81960175

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{491}}^1\times {\mathrm{607}}^1$

素因数の和:1119

約数の個数: 24

約数和(自身を含む): 111278592

約数和(自身を除く): 29318417

約数列:

[1, 5, 11, 25, 55, 275, 491, 607, 2455, 3035, 5401, 6677, 12275, 15175, 27005, 33385, 135025, 166925, 298037, 1490185, 3278407, 7450925, 16392035, 81960175]

約数ペア:

[(1, 81960175), (5, 16392035), (11, 7450925), (25, 3278407), (55, 1490185), (275, 298037), (491, 166925), (607, 135025), (2455, 33385), (3035, 27005), (5401, 15175), (6677, 12275)]