720990815997

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{563}}^1\times {\mathrm{75781}}^1$

素因数の和:76521

約数の個数: 32

約数和(自身を含む): 992960027136

約数和(自身を除く): 271969211139

約数列:

[1, 3, 43, 129, 131, 393, 563, 1689, 5633, 16899, 24209, 72627, 73753, 75781, 221259, 227343, 3171379, 3258583, 9514137, 9775749, 9927311, 29781933, 42664703, 127994109, 426874373, 1280623119, 1834582229, 5503746687, 5589076093, 16767228279, 240330271999, 720990815997]

約数ペア:

[(1, 720990815997), (3, 240330271999), (43, 16767228279), (129, 5589076093), (131, 5503746687), (393, 1834582229), (563, 1280623119), (1689, 426874373), (5633, 127994109), (16899, 42664703), (24209, 29781933), (72627, 9927311), (73753, 9775749), (75781, 9514137), (221259, 3258583), (227343, 3171379)]