81111528

素因数分解:

$2^3\times 3^2\times {\mathrm{443}}^1\times {\mathrm{2543}}^1$

素因数の和:2998

約数の個数: 48

約数和(自身を含む): 220259520

約数和(自身を除く): 139147992

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 443, 886, 1329, 1772, 2543, 2658, 3544, 3987, 5086, 5316, 7629, 7974, 10172, 10632, 15258, 15948, 20344, 22887, 30516, 31896, 45774, 61032, 91548, 183096, 1126549, 2253098, 3379647, 4506196, 6759294, 9012392, 10138941, 13518588, 20277882, 27037176, 40555764, 81111528]

約数ペア:

[(1, 81111528), (2, 40555764), (3, 27037176), (4, 20277882), (6, 13518588), (8, 10138941), (9, 9012392), (12, 6759294), (18, 4506196), (24, 3379647), (36, 2253098), (72, 1126549), (443, 183096), (886, 91548), (1329, 61032), (1772, 45774), (2543, 31896), (2658, 30516), (3544, 22887), (3987, 20344), (5086, 15948), (5316, 15258), (7629, 10632), (7974, 10172)]