389638809

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71089}}^1$

素因数の和:71134

約数の個数: 32

約数和(自身を含む): 682464000

約数和(自身を除く): 292825191

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 87, 189, 203, 261, 609, 783, 1827, 5481, 71089, 213267, 497623, 639801, 1492869, 1919403, 2061581, 4478607, 6184743, 13435821, 14431067, 18554229, 43293201, 55662687, 129879603, 389638809]

約数ペア:

[(1, 389638809), (3, 129879603), (7, 55662687), (9, 43293201), (21, 18554229), (27, 14431067), (29, 13435821), (63, 6184743), (87, 4478607), (189, 2061581), (203, 1919403), (261, 1492869), (609, 639801), (783, 497623), (1827, 213267), (5481, 71089)]