71937243

素因数分解:

$3^2\times 7^2\times {\mathrm{157}}^1\times {\mathrm{1039}}^1$

素因数の和:1216

約数の個数: 36

約数和(自身を含む): 121761120

約数和(自身を除く): 49823877

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 157, 441, 471, 1039, 1099, 1413, 3117, 3297, 7273, 7693, 9351, 9891, 21819, 23079, 50911, 65457, 69237, 152733, 163123, 458199, 489369, 1141861, 1468107, 3425583, 7993027, 10276749, 23979081, 71937243]

約数ペア:

[(1, 71937243), (3, 23979081), (7, 10276749), (9, 7993027), (21, 3425583), (49, 1468107), (63, 1141861), (147, 489369), (157, 458199), (441, 163123), (471, 152733), (1039, 69237), (1099, 65457), (1413, 50911), (3117, 23079), (3297, 21819), (7273, 9891), (7693, 9351)]