25991307

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{367}}^1$

素因数の和:480

約数の個数: 32

約数和(自身を含む): 40156160

約数和(自身を除く): 14164853

約数列:

[1, 3, 9, 27, 43, 61, 129, 183, 367, 387, 549, 1101, 1161, 1647, 2623, 3303, 7869, 9909, 15781, 22387, 23607, 47343, 67161, 70821, 142029, 201483, 426087, 604449, 962641, 2887923, 8663769, 25991307]

約数ペア:

[(1, 25991307), (3, 8663769), (9, 2887923), (27, 962641), (43, 604449), (61, 426087), (129, 201483), (183, 142029), (367, 70821), (387, 67161), (549, 47343), (1101, 23607), (1161, 22387), (1647, 15781), (2623, 9909), (3303, 7869)]