3928925

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1$

素因数の和:198

約数の個数: 48

約数和(自身を含む): 6582912

約数和(自身を除く): 2653987

約数列:

[1, 5, 7, 11, 13, 25, 35, 55, 65, 77, 91, 143, 157, 175, 275, 325, 385, 455, 715, 785, 1001, 1099, 1727, 1925, 2041, 2275, 3575, 3925, 5005, 5495, 8635, 10205, 12089, 14287, 22451, 25025, 27475, 43175, 51025, 60445, 71435, 112255, 157157, 302225, 357175, 561275, 785785, 3928925]

約数ペア:

[(1, 3928925), (5, 785785), (7, 561275), (11, 357175), (13, 302225), (25, 157157), (35, 112255), (55, 71435), (65, 60445), (77, 51025), (91, 43175), (143, 27475), (157, 25025), (175, 22451), (275, 14287), (325, 12089), (385, 10205), (455, 8635), (715, 5495), (785, 5005), (1001, 3925), (1099, 3575), (1727, 2275), (1925, 2041)]