156980985

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{881}}^1\times {\mathrm{1697}}^1$

素因数の和:2593

約数の個数: 32

約数和(自身を含む): 287546112

約数和(自身を除く): 130565127

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 881, 1697, 2643, 4405, 5091, 6167, 8485, 11879, 13215, 18501, 25455, 30835, 35637, 59395, 92505, 178185, 1495057, 4485171, 7475285, 10465399, 22425855, 31396197, 52326995, 156980985]

約数ペア:

[(1, 156980985), (3, 52326995), (5, 31396197), (7, 22425855), (15, 10465399), (21, 7475285), (35, 4485171), (105, 1495057), (881, 178185), (1697, 92505), (2643, 59395), (4405, 35637), (5091, 30835), (6167, 25455), (8485, 18501), (11879, 13215)]