15831621

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{2879}}^1$

素因数の和:2945

約数の個数: 24

約数和(自身を含む): 25159680

約数和(自身を除く): 9328059

約数列:

[1, 3, 9, 13, 39, 47, 117, 141, 423, 611, 1833, 2879, 5499, 8637, 25911, 37427, 112281, 135313, 336843, 405939, 1217817, 1759069, 5277207, 15831621]

約数ペア:

[(1, 15831621), (3, 5277207), (9, 1759069), (13, 1217817), (39, 405939), (47, 336843), (117, 135313), (141, 112281), (423, 37427), (611, 25911), (1833, 8637), (2879, 5499)]