142940007

素因数分解:

$3^2\times 7^2\times {\mathrm{191}}^1\times {\mathrm{1697}}^1$

素因数の和:1908

約数の個数: 36

約数和(自身を含む): 241577856

約数和(自身を除く): 98637849

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 191, 441, 573, 1337, 1697, 1719, 4011, 5091, 9359, 11879, 12033, 15273, 28077, 35637, 83153, 84231, 106911, 249459, 324127, 748377, 972381, 2268889, 2917143, 6806667, 15882223, 20420001, 47646669, 142940007]

約数ペア:

[(1, 142940007), (3, 47646669), (7, 20420001), (9, 15882223), (21, 6806667), (49, 2917143), (63, 2268889), (147, 972381), (191, 748377), (441, 324127), (573, 249459), (1337, 106911), (1697, 84231), (1719, 83153), (4011, 35637), (5091, 28077), (9359, 15273), (11879, 12033)]