15520883

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{647}}^1$

素因数の和:826

約数の個数: 16

約数和(自身を含む): 18662400

約数和(自身を除く): 3141517

約数列:

[1, 7, 23, 149, 161, 647, 1043, 3427, 4529, 14881, 23989, 96403, 104167, 674821, 2217269, 15520883]

約数ペア:

[(1, 15520883), (7, 2217269), (23, 674821), (149, 104167), (161, 96403), (647, 23989), (1043, 14881), (3427, 4529)]