131065781

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{887}}^1$

素因数の和:1025

約数の個数: 32

約数和(自身を含む): 173905920

約数和(自身を除く): 42840139

約数列:

[1, 7, 11, 19, 77, 101, 133, 209, 707, 887, 1111, 1463, 1919, 6209, 7777, 9757, 13433, 16853, 21109, 68299, 89587, 117971, 147763, 185383, 627109, 985457, 1297681, 1702153, 6898199, 11915071, 18723683, 131065781]

約数ペア:

[(1, 131065781), (7, 18723683), (11, 11915071), (19, 6898199), (77, 1702153), (101, 1297681), (133, 985457), (209, 627109), (707, 185383), (887, 147763), (1111, 117971), (1463, 89587), (1919, 68299), (6209, 21109), (7777, 16853), (9757, 13433)]