68831451

素因数分解:

$3^9\times {\mathrm{13}}^1\times {\mathrm{269}}^1$

素因数の和:309

約数の個数: 40

約数和(自身を含む): 111600720

約数和(自身を除く): 42769269

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 269, 351, 729, 807, 1053, 2187, 2421, 3159, 3497, 6561, 7263, 9477, 10491, 19683, 21789, 28431, 31473, 65367, 85293, 94419, 196101, 255879, 283257, 588303, 849771, 1764909, 2549313, 5294727, 7647939, 22943817, 68831451]

約数ペア:

[(1, 68831451), (3, 22943817), (9, 7647939), (13, 5294727), (27, 2549313), (39, 1764909), (81, 849771), (117, 588303), (243, 283257), (269, 255879), (351, 196101), (729, 94419), (807, 85293), (1053, 65367), (2187, 31473), (2421, 28431), (3159, 21789), (3497, 19683), (6561, 10491), (7263, 9477)]