2115575

素因数分解:

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

素因数の和:192

約数の個数: 36

約数和(自身を含む): 3350232

約数和(自身を除く): 1234657

約数列:

[1, 5, 7, 11, 25, 35, 49, 55, 77, 157, 175, 245, 275, 385, 539, 785, 1099, 1225, 1727, 1925, 2695, 3925, 5495, 7693, 8635, 12089, 13475, 27475, 38465, 43175, 60445, 84623, 192325, 302225, 423115, 2115575]

約数ペア:

[(1, 2115575), (5, 423115), (7, 302225), (11, 192325), (25, 84623), (35, 60445), (49, 43175), (55, 38465), (77, 27475), (157, 13475), (175, 12089), (245, 8635), (275, 7693), (385, 5495), (539, 3925), (785, 2695), (1099, 1925), (1225, 1727)]