31588947

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{229}}^1$

素因数の和:385

約数の個数: 40

約数和(自身を含む): 51429840

約数和(自身を除く): 19840893

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 131, 229, 351, 393, 687, 1053, 1179, 1703, 2061, 2977, 3537, 5109, 6183, 8931, 10611, 15327, 18549, 26793, 29999, 45981, 80379, 89997, 137943, 241137, 269991, 389987, 809973, 1169961, 2429919, 3509883, 10529649, 31588947]

約数ペア:

[(1, 31588947), (3, 10529649), (9, 3509883), (13, 2429919), (27, 1169961), (39, 809973), (81, 389987), (117, 269991), (131, 241137), (229, 137943), (351, 89997), (393, 80379), (687, 45981), (1053, 29999), (1179, 26793), (1703, 18549), (2061, 15327), (2977, 10611), (3537, 8931), (5109, 6183)]