71304891

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{1033}}^1$

素因数の和:1235

約数の個数: 32

約数和(自身を含む): 115146240

約数和(自身を除く): 43841349

約数列:

[1, 3, 7, 19, 21, 57, 133, 173, 399, 519, 1033, 1211, 3099, 3287, 3633, 7231, 9861, 19627, 21693, 23009, 58881, 69027, 137389, 178709, 412167, 536127, 1250963, 3395471, 3752889, 10186413, 23768297, 71304891]

約数ペア:

[(1, 71304891), (3, 23768297), (7, 10186413), (19, 3752889), (21, 3395471), (57, 1250963), (133, 536127), (173, 412167), (399, 178709), (519, 137389), (1033, 69027), (1211, 58881), (3099, 23009), (3287, 21693), (3633, 19627), (7231, 9861)]