51165261

素因数分解:

$3^2\times 7^2\times {\mathrm{181}}^1\times {\mathrm{641}}^1$

素因数の和:842

約数の個数: 36

約数和(自身を含む): 86581404

約数和(自身を除く): 35416143

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 181, 441, 543, 641, 1267, 1629, 1923, 3801, 4487, 5769, 8869, 11403, 13461, 26607, 31409, 40383, 79821, 94227, 116021, 282681, 348063, 812147, 1044189, 2436441, 5685029, 7309323, 17055087, 51165261]

約数ペア:

[(1, 51165261), (3, 17055087), (7, 7309323), (9, 5685029), (21, 2436441), (49, 1044189), (63, 812147), (147, 348063), (181, 282681), (441, 116021), (543, 94227), (641, 79821), (1267, 40383), (1629, 31409), (1923, 26607), (3801, 13461), (4487, 11403), (5769, 8869)]