638514237

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{337}}^1\times {\mathrm{383}}^1$

素因数の和:837

約数の個数: 32

約数和(自身を含む): 915812352

約数和(自身を除く): 277298115

約数列:

[1, 3, 17, 51, 97, 291, 337, 383, 1011, 1149, 1649, 4947, 5729, 6511, 17187, 19533, 32689, 37151, 98067, 111453, 129071, 387213, 555713, 631567, 1667139, 1894701, 2194207, 6582621, 12519887, 37559661, 212838079, 638514237]

約数ペア:

[(1, 638514237), (3, 212838079), (17, 37559661), (51, 12519887), (97, 6582621), (291, 2194207), (337, 1894701), (383, 1667139), (1011, 631567), (1149, 555713), (1649, 387213), (4947, 129071), (5729, 111453), (6511, 98067), (17187, 37151), (19533, 32689)]