2172261

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:205

約数の個数: 32

約数和(自身を含む): 3646720

約数和(自身を除く): 1474459

約数列:

[1, 3, 7, 13, 21, 39, 73, 91, 109, 219, 273, 327, 511, 763, 949, 1417, 1533, 2289, 2847, 4251, 6643, 7957, 9919, 19929, 23871, 29757, 55699, 103441, 167097, 310323, 724087, 2172261]

約数ペア:

[(1, 2172261), (3, 724087), (7, 310323), (13, 167097), (21, 103441), (39, 55699), (73, 29757), (91, 23871), (109, 19929), (219, 9919), (273, 7957), (327, 6643), (511, 4251), (763, 2847), (949, 2289), (1417, 1533)]