280448889

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{461}}^1\times {\mathrm{491}}^1$

素因数の和:1021

約数の個数: 32

約数和(自身を含む): 436423680

約数和(自身を除く): 155974791

約数列:

[1, 3, 7, 21, 59, 177, 413, 461, 491, 1239, 1383, 1473, 3227, 3437, 9681, 10311, 27199, 28969, 81597, 86907, 190393, 202783, 226351, 571179, 608349, 679053, 1584457, 4753371, 13354709, 40064127, 93482963, 280448889]

約数ペア:

[(1, 280448889), (3, 93482963), (7, 40064127), (21, 13354709), (59, 4753371), (177, 1584457), (413, 679053), (461, 608349), (491, 571179), (1239, 226351), (1383, 202783), (1473, 190393), (3227, 86907), (3437, 81597), (9681, 28969), (10311, 27199)]