26257905

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{353}}^1$

素因数の和:415

約数の個数: 64

約数和(自身を含む): 50976000

約数和(自身を除く): 24718095

約数列:

[1, 3, 5, 9, 15, 19, 27, 29, 45, 57, 87, 95, 135, 145, 171, 261, 285, 353, 435, 513, 551, 783, 855, 1059, 1305, 1653, 1765, 2565, 2755, 3177, 3915, 4959, 5295, 6707, 8265, 9531, 10237, 14877, 15885, 20121, 24795, 30711, 33535, 47655, 51185, 60363, 74385, 92133, 100605, 153555, 181089, 194503, 276399, 301815, 460665, 583509, 905445, 972515, 1381995, 1750527, 2917545, 5251581, 8752635, 26257905]

約数ペア:

[(1, 26257905), (3, 8752635), (5, 5251581), (9, 2917545), (15, 1750527), (19, 1381995), (27, 972515), (29, 905445), (45, 583509), (57, 460665), (87, 301815), (95, 276399), (135, 194503), (145, 181089), (171, 153555), (261, 100605), (285, 92133), (353, 74385), (435, 60363), (513, 51185), (551, 47655), (783, 33535), (855, 30711), (1059, 24795), (1305, 20121), (1653, 15885), (1765, 14877), (2565, 10237), (2755, 9531), (3177, 8265), (3915, 6707), (4959, 5295)]