1520943921

素因数分解:

$3^2\times 7^1\times {\mathrm{397}}^1\times {\mathrm{60811}}^1$

素因数の和:61221

約数の個数: 24

約数和(自身を含む): 2517130304

約数和(自身を除く): 996186383

約数列:

[1, 3, 7, 9, 21, 63, 397, 1191, 2779, 3573, 8337, 25011, 60811, 182433, 425677, 547299, 1277031, 3831093, 24141967, 72425901, 168993769, 217277703, 506981307, 1520943921]

約数ペア:

[(1, 1520943921), (3, 506981307), (7, 217277703), (9, 168993769), (21, 72425901), (63, 24141967), (397, 3831093), (1191, 1277031), (2779, 547299), (3573, 425677), (8337, 182433), (25011, 60811)]