77987025

素因数分解:

$3^2\times 5^2\times {\mathrm{271}}^1\times {\mathrm{1279}}^1$

素因数の和:1566

約数の個数: 36

約数和(自身を含む): 140308480

約数和(自身を除く): 62321455

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 271, 813, 1279, 1355, 2439, 3837, 4065, 6395, 6775, 11511, 12195, 19185, 20325, 31975, 57555, 60975, 95925, 287775, 346609, 1039827, 1733045, 3119481, 5199135, 8665225, 15597405, 25995675, 77987025]

約数ペア:

[(1, 77987025), (3, 25995675), (5, 15597405), (9, 8665225), (15, 5199135), (25, 3119481), (45, 1733045), (75, 1039827), (225, 346609), (271, 287775), (813, 95925), (1279, 60975), (1355, 57555), (2439, 31975), (3837, 20325), (4065, 19185), (6395, 12195), (6775, 11511)]