285924561

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{313}}^1\times {\mathrm{397}}^1$

素因数の和:785

約数の個数: 32

約数和(自身を含む): 419905920

約数和(自身を除く): 133981359

約数列:

[1, 3, 13, 39, 59, 177, 313, 397, 767, 939, 1191, 2301, 4069, 5161, 12207, 15483, 18467, 23423, 55401, 70269, 124261, 240071, 304499, 372783, 720213, 913497, 1615393, 4846179, 7331399, 21994197, 95308187, 285924561]

約数ペア:

[(1, 285924561), (3, 95308187), (13, 21994197), (39, 7331399), (59, 4846179), (177, 1615393), (313, 913497), (397, 720213), (767, 372783), (939, 304499), (1191, 240071), (2301, 124261), (4069, 70269), (5161, 55401), (12207, 23423), (15483, 18467)]