408021315

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{20717}}^1$

素因数の和:20839

約数の個数: 32

約数和(自身を含む): 710047296

約数和(自身を除く): 302025981

約数列:

[1, 3, 5, 13, 15, 39, 65, 101, 195, 303, 505, 1313, 1515, 3939, 6565, 19695, 20717, 62151, 103585, 269321, 310755, 807963, 1346605, 2092417, 4039815, 6277251, 10462085, 27201421, 31386255, 81604263, 136007105, 408021315]

約数ペア:

[(1, 408021315), (3, 136007105), (5, 81604263), (13, 31386255), (15, 27201421), (39, 10462085), (65, 6277251), (101, 4039815), (195, 2092417), (303, 1346605), (505, 807963), (1313, 310755), (1515, 269321), (3939, 103585), (6565, 62151), (19695, 20717)]