205383195

素因数分解:

$3^4\times 5^1\times {\mathrm{507119}}^1$

素因数の和:507136

約数の個数: 20

約数和(自身を含む): 368169120

約数和(自身を除く): 162785925

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 507119, 1521357, 2535595, 4564071, 7606785, 13692213, 22820355, 41076639, 68461065, 205383195]

約数ペア:

[(1, 205383195), (3, 68461065), (5, 41076639), (9, 22820355), (15, 13692213), (27, 7606785), (45, 4564071), (81, 2535595), (135, 1521357), (405, 507119)]