64289133

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{25603}}^1$

素因数の和:25646

約数の個数: 20

約数和(自身を含む): 99138688

約数和(自身を除く): 34849555

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 25603, 76809, 230427, 691281, 793693, 2073843, 2381079, 7143237, 21429711, 64289133]

約数ペア:

[(1, 64289133), (3, 21429711), (9, 7143237), (27, 2381079), (31, 2073843), (81, 793693), (93, 691281), (279, 230427), (837, 76809), (2511, 25603)]