71273685

素因数分解:

$3^1\times 5^1\times 7^4\times {\mathrm{1979}}^1$

素因数の和:2015

約数の個数: 40

約数和(自身を含む): 133103520

約数和(自身を除く): 61829835

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 343, 735, 1029, 1715, 1979, 2401, 5145, 5937, 7203, 9895, 12005, 13853, 29685, 36015, 41559, 69265, 96971, 207795, 290913, 484855, 678797, 1454565, 2036391, 3393985, 4751579, 10181955, 14254737, 23757895, 71273685]

約数ペア:

[(1, 71273685), (3, 23757895), (5, 14254737), (7, 10181955), (15, 4751579), (21, 3393985), (35, 2036391), (49, 1454565), (105, 678797), (147, 484855), (245, 290913), (343, 207795), (735, 96971), (1029, 69265), (1715, 41559), (1979, 36015), (2401, 29685), (5145, 13853), (5937, 12005), (7203, 9895)]