71222571

素因数分解:

$3^6\times 7^1\times {\mathrm{17}}^1\times {\mathrm{821}}^1$

素因数の和:863

約数の個数: 56

約数和(自身を含む): 129376224

約数和(自身を除く): 58153653

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 81, 119, 153, 189, 243, 357, 459, 567, 729, 821, 1071, 1377, 1701, 2463, 3213, 4131, 5103, 5747, 7389, 9639, 12393, 13957, 17241, 22167, 28917, 41871, 51723, 66501, 86751, 97699, 125613, 155169, 199503, 293097, 376839, 465507, 598509, 879291, 1130517, 1396521, 2637873, 3391551, 4189563, 7913619, 10174653, 23740857, 71222571]

約数ペア:

[(1, 71222571), (3, 23740857), (7, 10174653), (9, 7913619), (17, 4189563), (21, 3391551), (27, 2637873), (51, 1396521), (63, 1130517), (81, 879291), (119, 598509), (153, 465507), (189, 376839), (243, 293097), (357, 199503), (459, 155169), (567, 125613), (729, 97699), (821, 86751), (1071, 66501), (1377, 51723), (1701, 41871), (2463, 28917), (3213, 22167), (4131, 17241), (5103, 13957), (5747, 12393), (7389, 9639)]