81015765

素因数分解:

$3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{241}}^1\times {\mathrm{307}}^1$

素因数の和:629

約数の個数: 32

約数和(自身を含む): 132375936

約数和(自身を除く): 51360171

約数列:

[1, 3, 5, 15, 73, 219, 241, 307, 365, 723, 921, 1095, 1205, 1535, 3615, 4605, 17593, 22411, 52779, 67233, 73987, 87965, 112055, 221961, 263895, 336165, 369935, 1109805, 5401051, 16203153, 27005255, 81015765]

約数ペア:

[(1, 81015765), (3, 27005255), (5, 16203153), (15, 5401051), (73, 1109805), (219, 369935), (241, 336165), (307, 263895), (365, 221961), (723, 112055), (921, 87965), (1095, 73987), (1205, 67233), (1535, 52779), (3615, 22411), (4605, 17593)]