15221751

素因数分解:

$3^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1\times {\mathrm{211}}^1$

素因数の和:526

約数の個数: 16

約数和(自身を含む): 20657280

約数和(自身を除く): 5435529

約数列:

[1, 3, 139, 173, 211, 417, 519, 633, 24047, 29329, 36503, 72141, 87987, 109509, 5073917, 15221751]

約数ペア:

[(1, 15221751), (3, 5073917), (139, 109509), (173, 87987), (211, 72141), (417, 36503), (519, 29329), (633, 24047)]