287158239

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{433}}^1\times {\mathrm{2377}}^1$

素因数の和:2847

約数の個数: 24

約数和(自身を含む): 429333632

約数和(自身を除く): 142175393

約数列:

[1, 3, 9, 31, 93, 279, 433, 1299, 2377, 3897, 7131, 13423, 21393, 40269, 73687, 120807, 221061, 663183, 1029241, 3087723, 9263169, 31906471, 95719413, 287158239]

約数ペア:

[(1, 287158239), (3, 95719413), (9, 31906471), (31, 9263169), (93, 3087723), (279, 1029241), (433, 663183), (1299, 221061), (2377, 120807), (3897, 73687), (7131, 40269), (13423, 21393)]