813807

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{197}}^1$

素因数の和:229

約数の個数: 24

約数和(自身を含む): 1297296

約数和(自身を除く): 483489

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 197, 243, 459, 591, 1377, 1773, 3349, 4131, 5319, 10047, 15957, 30141, 47871, 90423, 271269, 813807]

約数ペア:

[(1, 813807), (3, 271269), (9, 90423), (17, 47871), (27, 30141), (51, 15957), (81, 10047), (153, 5319), (197, 4131), (243, 3349), (459, 1773), (591, 1377)]