1218951

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:311

約数の個数: 24

約数和(自身を含む): 1931904

約数和(自身を除く): 712953

約数列:

[1, 3, 9, 17, 31, 51, 93, 153, 257, 279, 527, 771, 1581, 2313, 4369, 4743, 7967, 13107, 23901, 39321, 71703, 135439, 406317, 1218951]

約数ペア:

[(1, 1218951), (3, 406317), (9, 135439), (17, 71703), (31, 39321), (51, 23901), (93, 13107), (153, 7967), (257, 4743), (279, 4369), (527, 2313), (771, 1581)]