78487245

素因数分解:

$3^3\times 5^1\times {\mathrm{641}}^1\times {\mathrm{907}}^1$

素因数の和:1562

約数の個数: 32

約数和(自身を含む): 139904640

約数和(自身を除く): 61417395

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 641, 907, 1923, 2721, 3205, 4535, 5769, 8163, 9615, 13605, 17307, 24489, 28845, 40815, 86535, 122445, 581387, 1744161, 2906935, 5232483, 8720805, 15697449, 26162415, 78487245]

約数ペア:

[(1, 78487245), (3, 26162415), (5, 15697449), (9, 8720805), (15, 5232483), (27, 2906935), (45, 1744161), (135, 581387), (641, 122445), (907, 86535), (1923, 40815), (2721, 28845), (3205, 24489), (4535, 17307), (5769, 13605), (8163, 9615)]