17946789

素因数分解:

$3^1\times 7^3\times {\mathrm{107}}^1\times {\mathrm{163}}^1$

素因数の和:294

約数の個数: 32

約数和(自身を含む): 28339200

約数和(自身を除く): 10392411

約数列:

[1, 3, 7, 21, 49, 107, 147, 163, 321, 343, 489, 749, 1029, 1141, 2247, 3423, 5243, 7987, 15729, 17441, 23961, 36701, 52323, 55909, 110103, 122087, 167727, 366261, 854609, 2563827, 5982263, 17946789]

約数ペア:

[(1, 17946789), (3, 5982263), (7, 2563827), (21, 854609), (49, 366261), (107, 167727), (147, 122087), (163, 110103), (321, 55909), (343, 52323), (489, 36701), (749, 23961), (1029, 17441), (1141, 15729), (2247, 7987), (3423, 5243)]