140972643

素因数分解:

$3^4\times 7^1\times {\mathrm{109}}^1\times {\mathrm{2281}}^1$

素因数の和:2409

約数の個数: 40

約数和(自身を含む): 242987360

約数和(自身を除く): 102014717

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 109, 189, 327, 567, 763, 981, 2281, 2289, 2943, 6843, 6867, 8829, 15967, 20529, 20601, 47901, 61587, 61803, 143703, 184761, 248629, 431109, 745887, 1293327, 1740403, 2237661, 5221209, 6712983, 15663627, 20138949, 46990881, 140972643]

約数ペア:

[(1, 140972643), (3, 46990881), (7, 20138949), (9, 15663627), (21, 6712983), (27, 5221209), (63, 2237661), (81, 1740403), (109, 1293327), (189, 745887), (327, 431109), (567, 248629), (763, 184761), (981, 143703), (2281, 61803), (2289, 61587), (2943, 47901), (6843, 20601), (6867, 20529), (8829, 15967)]