28723329

素因数分解:

$3^6\times {\mathrm{31}}^2\times {\mathrm{41}}^1$

素因数の和:121

約数の個数: 42

約数和(自身を含む): 45584658

約数和(自身を除く): 16861329

約数列:

[1, 3, 9, 27, 31, 41, 81, 93, 123, 243, 279, 369, 729, 837, 961, 1107, 1271, 2511, 2883, 3321, 3813, 7533, 8649, 9963, 11439, 22599, 25947, 29889, 34317, 39401, 77841, 102951, 118203, 233523, 308853, 354609, 700569, 926559, 1063827, 3191481, 9574443, 28723329]

約数ペア:

[(1, 28723329), (3, 9574443), (9, 3191481), (27, 1063827), (31, 926559), (41, 700569), (81, 354609), (93, 308853), (123, 233523), (243, 118203), (279, 102951), (369, 77841), (729, 39401), (837, 34317), (961, 29889), (1107, 25947), (1271, 22599), (2511, 11439), (2883, 9963), (3321, 8649), (3813, 7533)]