156917319

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{1213}}^1$

素因数の和:1367

約数の個数: 32

約数和(自身を含む): 234952704

約数和(自身を除く): 78035385

約数列:

[1, 3, 13, 31, 39, 93, 107, 321, 403, 1209, 1213, 1391, 3317, 3639, 4173, 9951, 15769, 37603, 43121, 47307, 112809, 129363, 129791, 389373, 488839, 1466517, 1687283, 4023521, 5061849, 12070563, 52305773, 156917319]

約数ペア:

[(1, 156917319), (3, 52305773), (13, 12070563), (31, 5061849), (39, 4023521), (93, 1687283), (107, 1466517), (321, 488839), (403, 389373), (1209, 129791), (1213, 129363), (1391, 112809), (3317, 47307), (3639, 43121), (4173, 37603), (9951, 15769)]