165220695

素因数分解:

$3^3\times 5^1\times {\mathrm{1223857}}^1$

素因数の和:1223871

約数の個数: 16

約数和(自身を含む): 293725920

約数和(自身を除く): 128505225

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 1223857, 3671571, 6119285, 11014713, 18357855, 33044139, 55073565, 165220695]

約数ペア:

[(1, 165220695), (3, 55073565), (5, 33044139), (9, 18357855), (15, 11014713), (27, 6119285), (45, 3671571), (135, 1223857)]