128776921

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{83243}}^1$

素因数の和:83280

約数の個数: 16

約数和(自身を含む): 167819904

約数和(自身を除く): 39042983

約数列:

[1, 7, 13, 17, 91, 119, 221, 1547, 83243, 582701, 1082159, 1415131, 7575113, 9905917, 18396703, 128776921]

約数ペア:

[(1, 128776921), (7, 18396703), (13, 9905917), (17, 7575113), (91, 1415131), (119, 1082159), (221, 582701), (1547, 83243)]