15801989

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1609}}^1$

素因数の和:1700

約数の個数: 16

約数和(自身を含む): 19165440

約数和(自身を除く): 3363451

約数列:

[1, 7, 23, 61, 161, 427, 1403, 1609, 9821, 11263, 37007, 98149, 259049, 687043, 2257427, 15801989]

約数ペア:

[(1, 15801989), (7, 2257427), (23, 687043), (61, 259049), (161, 98149), (427, 37007), (1403, 11263), (1609, 9821)]