71615985

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{757}}^1$

素因数の和:842

約数の個数: 64

約数和(自身を含む): 141460992

約数和(自身を除く): 69845007

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 53, 85, 105, 119, 159, 255, 265, 357, 371, 595, 757, 795, 901, 1113, 1785, 1855, 2271, 2703, 3785, 4505, 5299, 5565, 6307, 11355, 12869, 13515, 15897, 18921, 26495, 31535, 38607, 40121, 64345, 79485, 90083, 94605, 120363, 193035, 200605, 270249, 280847, 450415, 601815, 682057, 842541, 1351245, 1404235, 2046171, 3410285, 4212705, 4774399, 10230855, 14323197, 23871995, 71615985]

約数ペア:

[(1, 71615985), (3, 23871995), (5, 14323197), (7, 10230855), (15, 4774399), (17, 4212705), (21, 3410285), (35, 2046171), (51, 1404235), (53, 1351245), (85, 842541), (105, 682057), (119, 601815), (159, 450415), (255, 280847), (265, 270249), (357, 200605), (371, 193035), (595, 120363), (757, 94605), (795, 90083), (901, 79485), (1113, 64345), (1785, 40121), (1855, 38607), (2271, 31535), (2703, 26495), (3785, 18921), (4505, 15897), (5299, 13515), (5565, 12869), (6307, 11355)]