1239731649

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{643}}^1\times {\mathrm{1831}}^1$

素因数の和:2499

約数の個数: 40

約数和(自身を含む): 1998594752

約数和(自身を除く): 758863103

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 643, 1053, 1831, 1929, 5493, 5787, 8359, 16479, 17361, 23803, 25077, 49437, 52083, 71409, 75231, 148311, 214227, 225693, 642681, 677079, 1177333, 1928043, 3531999, 10595997, 15305329, 31787991, 45915987, 95363973, 137747961, 413243883, 1239731649]

約数ペア:

[(1, 1239731649), (3, 413243883), (9, 137747961), (13, 95363973), (27, 45915987), (39, 31787991), (81, 15305329), (117, 10595997), (351, 3531999), (643, 1928043), (1053, 1177333), (1831, 677079), (1929, 642681), (5493, 225693), (5787, 214227), (8359, 148311), (16479, 75231), (17361, 71409), (23803, 52083), (25077, 49437)]