138112723

素因数分解:

$7^4\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:153

約数の個数: 40

約数和(自身を含む): 175051296

約数和(自身を除く): 36938573

約数列:

[1, 7, 23, 41, 49, 61, 161, 287, 343, 427, 943, 1127, 1403, 2009, 2401, 2501, 2989, 6601, 7889, 9821, 14063, 17507, 20923, 46207, 55223, 57523, 68747, 98441, 122549, 146461, 323449, 402661, 481229, 857843, 2264143, 2818627, 3368603, 6004901, 19730389, 138112723]

約数ペア:

[(1, 138112723), (7, 19730389), (23, 6004901), (41, 3368603), (49, 2818627), (61, 2264143), (161, 857843), (287, 481229), (343, 402661), (427, 323449), (943, 146461), (1127, 122549), (1403, 98441), (2009, 68747), (2401, 57523), (2501, 55223), (2989, 46207), (6601, 20923), (7889, 17507), (9821, 14063)]