2991355137

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{155387}}^1$

素因数の和:155450

約数の個数: 32

約数和(自身を含む): 4773519360

約数和(自身を除く): 1782164223

約数列:

[1, 3, 9, 23, 27, 31, 69, 93, 207, 279, 621, 713, 837, 2139, 6417, 19251, 155387, 466161, 1398483, 3573901, 4195449, 4816997, 10721703, 14450991, 32165109, 43352973, 96495327, 110790931, 130058919, 332372793, 997118379, 2991355137]

約数ペア:

[(1, 2991355137), (3, 997118379), (9, 332372793), (23, 130058919), (27, 110790931), (31, 96495327), (69, 43352973), (93, 32165109), (207, 14450991), (279, 10721703), (621, 4816997), (713, 4195449), (837, 3573901), (2139, 1398483), (6417, 466161), (19251, 155387)]