1215993

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{211}}^1$

素因数の和:344

約数の個数: 16

約数和(自身を含む): 1740096

約数和(自身を除く): 524103

約数列:

[1, 3, 17, 51, 113, 211, 339, 633, 1921, 3587, 5763, 10761, 23843, 71529, 405331, 1215993]

約数ペア:

[(1, 1215993), (3, 405331), (17, 71529), (51, 23843), (113, 10761), (211, 5763), (339, 3587), (633, 1921)]