156966261249

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{393399151}}^1$

素因数の和:393399180

約数の個数: 16

約数和(自身を含む): 251775457280

約数和(自身を除く): 94809196031

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 393399151, 1180197453, 2753794057, 7474583869, 8261382171, 22423751607, 52322087083, 156966261249]

約数ペア:

[(1, 156966261249), (3, 52322087083), (7, 22423751607), (19, 8261382171), (21, 7474583869), (57, 2753794057), (133, 1180197453), (399, 393399151)]