1321593

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:173

約数の個数: 32

約数和(自身を含む): 2236416

約数和(自身を除く): 914823

約数列:

[1, 3, 7, 13, 21, 39, 47, 91, 103, 141, 273, 309, 329, 611, 721, 987, 1339, 1833, 2163, 4017, 4277, 4841, 9373, 12831, 14523, 28119, 33887, 62933, 101661, 188799, 440531, 1321593]

約数ペア:

[(1, 1321593), (3, 440531), (7, 188799), (13, 101661), (21, 62933), (39, 33887), (47, 28119), (91, 14523), (103, 12831), (141, 9373), (273, 4841), (309, 4277), (329, 4017), (611, 2163), (721, 1833), (987, 1339)]