81694977

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{6367}}^1$

素因数の和:6437

約数の個数: 32

約数和(自身を含む): 136937472

約数和(自身を除く): 55242495

約数列:

[1, 3, 7, 13, 21, 39, 47, 91, 141, 273, 329, 611, 987, 1833, 4277, 6367, 12831, 19101, 44569, 82771, 133707, 248313, 299249, 579397, 897747, 1738191, 2094743, 3890237, 6284229, 11670711, 27231659, 81694977]

約数ペア:

[(1, 81694977), (3, 27231659), (7, 11670711), (13, 6284229), (21, 3890237), (39, 2094743), (47, 1738191), (91, 897747), (141, 579397), (273, 299249), (329, 248313), (611, 133707), (987, 82771), (1833, 44569), (4277, 19101), (6367, 12831)]