31910949

素因数分解:

$3^3\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1549}}^1$

素因数の和:1674

約数の個数: 32

約数和(自身を含む): 54560000

約数和(自身を除く): 22649051

約数列:

[1, 3, 7, 9, 21, 27, 63, 109, 189, 327, 763, 981, 1549, 2289, 2943, 4647, 6867, 10843, 13941, 20601, 32529, 41823, 97587, 168841, 292761, 506523, 1181887, 1519569, 3545661, 4558707, 10636983, 31910949]

約数ペア:

[(1, 31910949), (3, 10636983), (7, 4558707), (9, 3545661), (21, 1519569), (27, 1181887), (63, 506523), (109, 292761), (189, 168841), (327, 97587), (763, 41823), (981, 32529), (1549, 20601), (2289, 13941), (2943, 10843), (4647, 6867)]