231931647

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{2131}}^1$

素因数の和:2308

約数の個数: 32

約数和(自身を含む): 358176000

約数和(自身を除く): 126244353

約数列:

[1, 3, 9, 27, 29, 87, 139, 261, 417, 783, 1251, 2131, 3753, 4031, 6393, 12093, 19179, 36279, 57537, 61799, 108837, 185397, 296209, 556191, 888627, 1668573, 2665881, 7997643, 8590061, 25770183, 77310549, 231931647]

約数ペア:

[(1, 231931647), (3, 77310549), (9, 25770183), (27, 8590061), (29, 7997643), (87, 2665881), (139, 1668573), (261, 888627), (417, 556191), (783, 296209), (1251, 185397), (2131, 108837), (3753, 61799), (4031, 57537), (6393, 36279), (12093, 19179)]