156969861027

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{393408173}}^1$

素因数の和:393408202

約数の個数: 16

約数和(自身を含む): 251781231360

約数和(自身を除く): 94811370333

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 393408173, 1180224519, 2753857211, 7474755287, 8261571633, 22424265861, 52323287009, 156969861027]

約数ペア:

[(1, 156969861027), (3, 52323287009), (7, 22424265861), (19, 8261571633), (21, 7474755287), (57, 2753857211), (133, 1180224519), (399, 393408173)]