205431885

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{147263}}^1$

素因数の和:147305

約数の個数: 24

約数和(自身を含む): 367570944

約数和(自身を除く): 162139059

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 1395, 147263, 441789, 736315, 1325367, 2208945, 4565153, 6626835, 13695459, 22825765, 41086377, 68477295, 205431885]

約数ペア:

[(1, 205431885), (3, 68477295), (5, 41086377), (9, 22825765), (15, 13695459), (31, 6626835), (45, 4565153), (93, 2208945), (155, 1325367), (279, 736315), (465, 441789), (1395, 147263)]