180891921

素因数分解:

$3^1\times 7^1\times {\mathrm{2917}}^1\times {\mathrm{2953}}^1$

素因数の和:5880

約数の個数: 16

約数和(自身を含む): 275832704

約数和(自身を除く): 94940783

約数列:

[1, 3, 7, 21, 2917, 2953, 8751, 8859, 20419, 20671, 61257, 62013, 8613901, 25841703, 60297307, 180891921]

約数ペア:

[(1, 180891921), (3, 60297307), (7, 25841703), (21, 8613901), (2917, 62013), (2953, 61257), (8751, 20671), (8859, 20419)]