15572817

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{643}}^1$

素因数の和:691

約数の個数: 40

約数和(自身を含む): 26182464

約数和(自身を除く): 10609647

約数列:

[1, 3, 9, 13, 23, 27, 39, 69, 81, 117, 207, 299, 351, 621, 643, 897, 1053, 1863, 1929, 2691, 5787, 8073, 8359, 14789, 17361, 24219, 25077, 44367, 52083, 75231, 133101, 192257, 225693, 399303, 576771, 677079, 1197909, 1730313, 5190939, 15572817]

約数ペア:

[(1, 15572817), (3, 5190939), (9, 1730313), (13, 1197909), (23, 677079), (27, 576771), (39, 399303), (69, 225693), (81, 192257), (117, 133101), (207, 75231), (299, 52083), (351, 44367), (621, 25077), (643, 24219), (897, 17361), (1053, 14789), (1863, 8359), (1929, 8073), (2691, 5787)]