817493607

素因数分解:

$3^3\times 7^2\times {\mathrm{47}}^1\times {\mathrm{13147}}^1$

素因数の和:13217

約数の個数: 48

約数和(自身を含む): 1438917120

約数和(自身を除く): 621423513

約数列:

[1, 3, 7, 9, 21, 27, 47, 49, 63, 141, 147, 189, 329, 423, 441, 987, 1269, 1323, 2303, 2961, 6909, 8883, 13147, 20727, 39441, 62181, 92029, 118323, 276087, 354969, 617909, 644203, 828261, 1853727, 1932609, 2484783, 4325363, 5561181, 5797827, 12976089, 16683543, 17393481, 30277541, 38928267, 90832623, 116784801, 272497869, 817493607]

約数ペア:

[(1, 817493607), (3, 272497869), (7, 116784801), (9, 90832623), (21, 38928267), (27, 30277541), (47, 17393481), (49, 16683543), (63, 12976089), (141, 5797827), (147, 5561181), (189, 4325363), (329, 2484783), (423, 1932609), (441, 1853727), (987, 828261), (1269, 644203), (1323, 617909), (2303, 354969), (2961, 276087), (6909, 118323), (8883, 92029), (13147, 62181), (20727, 39441)]