128670291

素因数分解:

$3^2\times {\mathrm{149}}^1\times {\mathrm{229}}^1\times {\mathrm{419}}^1$

素因数の和:803

約数の個数: 24

約数和(自身を含む): 188370000

約数和(自身を除く): 59699709

約数列:

[1, 3, 9, 149, 229, 419, 447, 687, 1257, 1341, 2061, 3771, 34121, 62431, 95951, 102363, 187293, 287853, 307089, 561879, 863559, 14296699, 42890097, 128670291]

約数ペア:

[(1, 128670291), (3, 42890097), (9, 14296699), (149, 863559), (229, 561879), (419, 307089), (447, 287853), (687, 187293), (1257, 102363), (1341, 95951), (2061, 62431), (3771, 34121)]