18122049

素因数分解:

$3^4\times {\mathrm{11}}^2\times {\mathrm{43}}^2$

素因数の和:120

約数の個数: 45

約数和(自身を含む): 30464049

約数和(自身を除く): 12342000

約数列:

[1, 3, 9, 11, 27, 33, 43, 81, 99, 121, 129, 297, 363, 387, 473, 891, 1089, 1161, 1419, 1849, 3267, 3483, 4257, 5203, 5547, 9801, 12771, 15609, 16641, 20339, 38313, 46827, 49923, 61017, 140481, 149769, 183051, 223729, 421443, 549153, 671187, 1647459, 2013561, 6040683, 18122049]

約数ペア:

[(1, 18122049), (3, 6040683), (9, 2013561), (11, 1647459), (27, 671187), (33, 549153), (43, 421443), (81, 223729), (99, 183051), (121, 149769), (129, 140481), (297, 61017), (363, 49923), (387, 46827), (473, 38313), (891, 20339), (1089, 16641), (1161, 15609), (1419, 12771), (1849, 9801), (3267, 5547), (3483, 5203)]