31804461

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{251}}^1$

素因数の和:311

約数の個数: 48

約数和(自身を含む): 53766720

約数和(自身を除く): 21962259

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 117, 171, 247, 251, 351, 361, 513, 741, 753, 1083, 2223, 2259, 3249, 3263, 4693, 4769, 6669, 6777, 9747, 9789, 14079, 14307, 29367, 42237, 42921, 61997, 88101, 90611, 126711, 128763, 185991, 271833, 557973, 815499, 1177943, 1673919, 2446497, 3533829, 10601487, 31804461]

約数ペア:

[(1, 31804461), (3, 10601487), (9, 3533829), (13, 2446497), (19, 1673919), (27, 1177943), (39, 815499), (57, 557973), (117, 271833), (171, 185991), (247, 128763), (251, 126711), (351, 90611), (361, 88101), (513, 61997), (741, 42921), (753, 42237), (1083, 29367), (2223, 14307), (2259, 14079), (3249, 9789), (3263, 9747), (4693, 6777), (4769, 6669)]