128894199

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{165887}}^1$

素因数の和:165934

約数の個数: 16

約数和(自身を含む): 201719808

約数和(自身を除く): 72825609

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 165887, 497661, 1161209, 3483627, 6137819, 18413457, 42964733, 128894199]

約数ペア:

[(1, 128894199), (3, 42964733), (7, 18413457), (21, 6137819), (37, 3483627), (111, 1161209), (259, 497661), (777, 165887)]