138220985

素因数分解:

$5^1\times 7^1\times {\mathrm{601}}^1\times {\mathrm{6571}}^1$

素因数の和:7184

約数の個数: 16

約数和(自身を含む): 189904512

約数和(自身を除く): 51683527

約数列:

[1, 5, 7, 35, 601, 3005, 4207, 6571, 21035, 32855, 45997, 229985, 3949171, 19745855, 27644197, 138220985]

約数ペア:

[(1, 138220985), (5, 27644197), (7, 19745855), (35, 3949171), (601, 229985), (3005, 45997), (4207, 32855), (6571, 21035)]