71417745

素因数分解:

$3^2\times 5^1\times 7^4\times {\mathrm{661}}^1$

素因数の和:700

約数の個数: 60

約数和(自身を含む): 144632436

約数和(自身を除く): 73214691

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 343, 441, 661, 735, 1029, 1715, 1983, 2205, 2401, 3087, 3305, 4627, 5145, 5949, 7203, 9915, 12005, 13881, 15435, 21609, 23135, 29745, 32389, 36015, 41643, 69405, 97167, 108045, 161945, 208215, 226723, 291501, 485835, 680169, 1133615, 1457505, 1587061, 2040507, 3400845, 4761183, 7935305, 10202535, 14283549, 23805915, 71417745]

約数ペア:

[(1, 71417745), (3, 23805915), (5, 14283549), (7, 10202535), (9, 7935305), (15, 4761183), (21, 3400845), (35, 2040507), (45, 1587061), (49, 1457505), (63, 1133615), (105, 680169), (147, 485835), (245, 291501), (315, 226723), (343, 208215), (441, 161945), (661, 108045), (735, 97167), (1029, 69405), (1715, 41643), (1983, 36015), (2205, 32389), (2401, 29745), (3087, 23135), (3305, 21609), (4627, 15435), (5145, 13881), (5949, 12005), (7203, 9915)]