1977975

素因数分解:

$3^2\times 5^2\times {\mathrm{59}}^1\times {\mathrm{149}}^1$

素因数の和:224

約数の個数: 36

約数和(自身を含む): 3627000

約数和(自身を除く): 1649025

約数列:

[1, 3, 5, 9, 15, 25, 45, 59, 75, 149, 177, 225, 295, 447, 531, 745, 885, 1341, 1475, 2235, 2655, 3725, 4425, 6705, 8791, 11175, 13275, 26373, 33525, 43955, 79119, 131865, 219775, 395595, 659325, 1977975]

約数ペア:

[(1, 1977975), (3, 659325), (5, 395595), (9, 219775), (15, 131865), (25, 79119), (45, 43955), (59, 33525), (75, 26373), (149, 13275), (177, 11175), (225, 8791), (295, 6705), (447, 4425), (531, 3725), (745, 2655), (885, 2235), (1341, 1475)]