28309095

素因数分解:

$3^4\times 5^1\times {\mathrm{69899}}^1$

素因数の和:69916

約数の個数: 20

約数和(自身を含む): 50747400

約数和(自身を除く): 22438305

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 69899, 209697, 349495, 629091, 1048485, 1887273, 3145455, 5661819, 9436365, 28309095]

約数ペア:

[(1, 28309095), (3, 9436365), (5, 5661819), (9, 3145455), (15, 1887273), (27, 1048485), (45, 629091), (81, 349495), (135, 209697), (405, 69899)]