1228995

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{881}}^1$

素因数の和:923

約数の個数: 24

約数和(自身を含む): 2201472

約数和(自身を除く): 972477

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 881, 1395, 2643, 4405, 7929, 13215, 27311, 39645, 81933, 136555, 245799, 409665, 1228995]

約数ペア:

[(1, 1228995), (3, 409665), (5, 245799), (9, 136555), (15, 81933), (31, 39645), (45, 27311), (93, 13215), (155, 7929), (279, 4405), (465, 2643), (881, 1395)]