1804691421

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{90203}}^1$

素因数の和:90247

約数の個数: 40

約数和(自身を含む): 3056111520

約数和(自身を除く): 1251420099

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 81, 117, 171, 247, 351, 513, 741, 1053, 1539, 2223, 6669, 20007, 90203, 270609, 811827, 1172639, 1713857, 2435481, 3517917, 5141571, 7306443, 10553751, 15424713, 22280141, 31661253, 46274139, 66840423, 94983759, 138822417, 200521269, 601563807, 1804691421]

約数ペア:

[(1, 1804691421), (3, 601563807), (9, 200521269), (13, 138822417), (19, 94983759), (27, 66840423), (39, 46274139), (57, 31661253), (81, 22280141), (117, 15424713), (171, 10553751), (247, 7306443), (351, 5141571), (513, 3517917), (741, 2435481), (1053, 1713857), (1539, 1172639), (2223, 811827), (6669, 270609), (20007, 90203)]