13380465

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{353}}^1$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 25895808

約数和(自身を除く): 12515343

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 353, 361, 399, 665, 1059, 1083, 1765, 1805, 1995, 2471, 2527, 5295, 5415, 6707, 7413, 7581, 12355, 12635, 20121, 33535, 37065, 37905, 46949, 100605, 127433, 140847, 234745, 382299, 637165, 704235, 892031, 1911495, 2676093, 4460155, 13380465]

約数ペア:

[(1, 13380465), (3, 4460155), (5, 2676093), (7, 1911495), (15, 892031), (19, 704235), (21, 637165), (35, 382299), (57, 234745), (95, 140847), (105, 127433), (133, 100605), (285, 46949), (353, 37905), (361, 37065), (399, 33535), (665, 20121), (1059, 12635), (1083, 12355), (1765, 7581), (1805, 7413), (1995, 6707), (2471, 5415), (2527, 5295)]