291427281

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{2297}}^1$

素因数の和:2470

約数の個数: 32

約数和(自身を含む): 447098880

約数和(自身を除く): 155671599

約数列:

[1, 3, 9, 27, 37, 111, 127, 333, 381, 999, 1143, 2297, 3429, 4699, 6891, 14097, 20673, 42291, 62019, 84989, 126873, 254967, 291719, 764901, 875157, 2294703, 2625471, 7876413, 10793603, 32380809, 97142427, 291427281]

約数ペア:

[(1, 291427281), (3, 97142427), (9, 32380809), (27, 10793603), (37, 7876413), (111, 2625471), (127, 2294703), (333, 875157), (381, 764901), (999, 291719), (1143, 254967), (2297, 126873), (3429, 84989), (4699, 62019), (6891, 42291), (14097, 20673)]