427635

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1$

素因数の和:84

約数の個数: 48

約数和(自身を含む): 864864

約数和(自身を除く): 437229

約数列:

[1, 3, 5, 9, 13, 15, 17, 39, 43, 45, 51, 65, 85, 117, 129, 153, 195, 215, 221, 255, 387, 559, 585, 645, 663, 731, 765, 1105, 1677, 1935, 1989, 2193, 2795, 3315, 3655, 5031, 6579, 8385, 9503, 9945, 10965, 25155, 28509, 32895, 47515, 85527, 142545, 427635]

約数ペア:

[(1, 427635), (3, 142545), (5, 85527), (9, 47515), (13, 32895), (15, 28509), (17, 25155), (39, 10965), (43, 9945), (45, 9503), (51, 8385), (65, 6579), (85, 5031), (117, 3655), (129, 3315), (153, 2795), (195, 2193), (215, 1989), (221, 1935), (255, 1677), (387, 1105), (559, 765), (585, 731), (645, 663)]