156965571

素因数分解:

$3^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{7573}}^1$

素因数の和:7640

約数の個数: 36

約数和(自身を含む): 269392032

約数和(自身を除く): 112426461

約数列:

[1, 3, 7, 9, 21, 47, 49, 63, 141, 147, 329, 423, 441, 987, 2303, 2961, 6909, 7573, 20727, 22719, 53011, 68157, 159033, 355931, 371077, 477099, 1067793, 1113231, 2491517, 3203379, 3339693, 7474551, 17440619, 22423653, 52321857, 156965571]

約数ペア:

[(1, 156965571), (3, 52321857), (7, 22423653), (9, 17440619), (21, 7474551), (47, 3339693), (49, 3203379), (63, 2491517), (141, 1113231), (147, 1067793), (329, 477099), (423, 371077), (441, 355931), (987, 159033), (2303, 68157), (2961, 53011), (6909, 22719), (7573, 20727)]