253060983

素因数分解:

$3^3\times 7^1\times {\mathrm{587}}^1\times {\mathrm{2281}}^1$

素因数の和:2884

約数の個数: 32

約数和(自身を含む): 429381120

約数和(自身を除く): 176320137

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 587, 1761, 2281, 4109, 5283, 6843, 12327, 15849, 15967, 20529, 36981, 47901, 61587, 110943, 143703, 431109, 1338947, 4016841, 9372629, 12050523, 28117887, 36151569, 84353661, 253060983]

約数ペア:

[(1, 253060983), (3, 84353661), (7, 36151569), (9, 28117887), (21, 12050523), (27, 9372629), (63, 4016841), (189, 1338947), (587, 431109), (1761, 143703), (2281, 110943), (4109, 61587), (5283, 47901), (6843, 36981), (12327, 20529), (15849, 15967)]