156980721597

素因数分解:

$3^1\times 7^1\times {\mathrm{18911}}^1\times {\mathrm{395287}}^1$

素因数の和:414208

約数の個数: 16

約数和(自身を含む): 239221972992

約数和(自身を除く): 82241251395

約数列:

[1, 3, 7, 21, 18911, 56733, 132377, 395287, 397131, 1185861, 2767009, 8301027, 7475272457, 22425817371, 52326907199, 156980721597]

約数ペア:

[(1, 156980721597), (3, 52326907199), (7, 22425817371), (21, 7475272457), (18911, 8301027), (56733, 2767009), (132377, 1185861), (395287, 397131)]