28803195

素因数分解:

$3^4\times 5^1\times {\mathrm{71119}}^1$

素因数の和:71136

約数の個数: 20

約数和(自身を含む): 51633120

約数和(自身を除く): 22829925

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 71119, 213357, 355595, 640071, 1066785, 1920213, 3200355, 5760639, 9601065, 28803195]

約数ペア:

[(1, 28803195), (3, 9601065), (5, 5760639), (9, 3200355), (15, 1920213), (27, 1066785), (45, 640071), (81, 355595), (135, 213357), (405, 71119)]