51131595

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1\times {\mathrm{509}}^1$

素因数の和:735

約数の個数: 32

約数和(自身を含む): 84651840

約数和(自身を除く): 33520245

約数列:

[1, 3, 5, 15, 37, 111, 181, 185, 509, 543, 555, 905, 1527, 2545, 2715, 6697, 7635, 18833, 20091, 33485, 56499, 92129, 94165, 100455, 276387, 282495, 460645, 1381935, 3408773, 10226319, 17043865, 51131595]

約数ペア:

[(1, 51131595), (3, 17043865), (5, 10226319), (15, 3408773), (37, 1381935), (111, 460645), (181, 282495), (185, 276387), (509, 100455), (543, 94165), (555, 92129), (905, 56499), (1527, 33485), (2545, 20091), (2715, 18833), (6697, 7635)]