64777869

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{42589}}^1$

素因数の和:42621

約数の個数: 18

約数和(自身を含む): 101321610

約数和(自身を除く): 36543741

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 42589, 127767, 383301, 553657, 1660971, 4982913, 7197541, 21592623, 64777869]

約数ペア:

[(1, 64777869), (3, 21592623), (9, 7197541), (13, 4982913), (39, 1660971), (117, 553657), (169, 383301), (507, 127767), (1521, 42589)]