128514357

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{313}}^1$

素因数の和:499

約数の個数: 40

約数和(自身を含む): 199240536

約数和(自身を除く): 70726179

約数列:

[1, 3, 9, 27, 37, 81, 111, 137, 313, 333, 411, 939, 999, 1233, 2817, 2997, 3699, 5069, 8451, 11097, 11581, 15207, 25353, 34743, 42881, 45621, 104229, 128643, 136863, 312687, 385929, 410589, 938061, 1157787, 1586597, 3473361, 4759791, 14279373, 42838119, 128514357]

約数ペア:

[(1, 128514357), (3, 42838119), (9, 14279373), (27, 4759791), (37, 3473361), (81, 1586597), (111, 1157787), (137, 938061), (313, 410589), (333, 385929), (411, 312687), (939, 136863), (999, 128643), (1233, 104229), (2817, 45621), (2997, 42881), (3699, 34743), (5069, 25353), (8451, 15207), (11097, 11581)]