1089621

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:225

約数の個数: 24

約数和(自身を含む): 1732640

約数和(自身を除く): 643019

約数列:

[1, 3, 9, 13, 39, 67, 117, 139, 201, 417, 603, 871, 1251, 1807, 2613, 5421, 7839, 9313, 16263, 27939, 83817, 121069, 363207, 1089621]

約数ペア:

[(1, 1089621), (3, 363207), (9, 121069), (13, 83817), (39, 27939), (67, 16263), (117, 9313), (139, 7839), (201, 5421), (417, 2613), (603, 1807), (871, 1251)]