17990385

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{5527}}^1$

素因数の和:5573

約数の個数: 32

約数和(自身を含む): 33964032

約数和(自身を除く): 15973647

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 93, 105, 155, 217, 465, 651, 1085, 3255, 5527, 16581, 27635, 38689, 82905, 116067, 171337, 193445, 514011, 580335, 856685, 1199359, 2570055, 3598077, 5996795, 17990385]

約数ペア:

[(1, 17990385), (3, 5996795), (5, 3598077), (7, 2570055), (15, 1199359), (21, 856685), (31, 580335), (35, 514011), (93, 193445), (105, 171337), (155, 116067), (217, 82905), (465, 38689), (651, 27635), (1085, 16581), (3255, 5527)]