212835693

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1\times {\mathrm{1129}}^1$

素因数の和:1377

約数の個数: 32

約数和(自身を含む): 333250560

約数和(自身を除く): 120414867

約数列:

[1, 3, 7, 21, 47, 141, 191, 329, 573, 987, 1129, 1337, 3387, 4011, 7903, 8977, 23709, 26931, 53063, 62839, 159189, 188517, 215639, 371441, 646917, 1114323, 1509473, 4528419, 10135033, 30405099, 70945231, 212835693]

約数ペア:

[(1, 212835693), (3, 70945231), (7, 30405099), (21, 10135033), (47, 4528419), (141, 1509473), (191, 1114323), (329, 646917), (573, 371441), (987, 215639), (1129, 188517), (1337, 159189), (3387, 62839), (4011, 53063), (7903, 26931), (8977, 23709)]