12638115

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{757}}^1$

素因数の和:828

約数の個数: 48

約数和(自身を含む): 25541568

約数和(自身を除く): 12903453

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 53, 63, 105, 159, 265, 315, 371, 477, 757, 795, 1113, 1855, 2271, 2385, 3339, 3785, 5299, 5565, 6813, 11355, 15897, 16695, 26495, 34065, 40121, 47691, 79485, 120363, 200605, 238455, 280847, 361089, 601815, 842541, 1404235, 1805445, 2527623, 4212705, 12638115]

約数ペア:

[(1, 12638115), (3, 4212705), (5, 2527623), (7, 1805445), (9, 1404235), (15, 842541), (21, 601815), (35, 361089), (45, 280847), (53, 238455), (63, 200605), (105, 120363), (159, 79485), (265, 47691), (315, 40121), (371, 34065), (477, 26495), (757, 16695), (795, 15897), (1113, 11355), (1855, 6813), (2271, 5565), (2385, 5299), (3339, 3785)]