28873635

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{353}}^1$

素因数の和:428

約数の個数: 64

約数和(自身を含む): 57093120

約数和(自身を除く): 28219485

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 41, 57, 95, 105, 123, 133, 205, 285, 287, 353, 399, 615, 665, 779, 861, 1059, 1435, 1765, 1995, 2337, 2471, 3895, 4305, 5295, 5453, 6707, 7413, 11685, 12355, 14473, 16359, 20121, 27265, 33535, 37065, 43419, 46949, 72365, 81795, 100605, 101311, 140847, 217095, 234745, 274987, 303933, 506555, 704235, 824961, 1374935, 1519665, 1924909, 4124805, 5774727, 9624545, 28873635]

約数ペア:

[(1, 28873635), (3, 9624545), (5, 5774727), (7, 4124805), (15, 1924909), (19, 1519665), (21, 1374935), (35, 824961), (41, 704235), (57, 506555), (95, 303933), (105, 274987), (123, 234745), (133, 217095), (205, 140847), (285, 101311), (287, 100605), (353, 81795), (399, 72365), (615, 46949), (665, 43419), (779, 37065), (861, 33535), (1059, 27265), (1435, 20121), (1765, 16359), (1995, 14473), (2337, 12355), (2471, 11685), (3895, 7413), (4305, 6707), (5295, 5453)]