538390479

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{659}}^1\times {\mathrm{1303}}^1$

素因数の和:1995

約数の個数: 32

約数和(自身を含む): 826214400

約数和(自身を除く): 287823921

約数列:

[1, 3, 11, 19, 33, 57, 209, 627, 659, 1303, 1977, 3909, 7249, 12521, 14333, 21747, 24757, 37563, 42999, 74271, 137731, 272327, 413193, 816981, 858677, 2576031, 9445447, 16314863, 28336341, 48944589, 179463493, 538390479]

約数ペア:

[(1, 538390479), (3, 179463493), (11, 48944589), (19, 28336341), (33, 16314863), (57, 9445447), (209, 2576031), (627, 858677), (659, 816981), (1303, 413193), (1977, 272327), (3909, 137731), (7249, 74271), (12521, 42999), (14333, 37563), (21747, 24757)]