667989423

素因数分解:

$3^4\times {\mathrm{449}}^1\times {\mathrm{18367}}^1$

素因数の和:18828

約数の個数: 20

約数和(自身を含む): 1000137600

約数和(自身を除く): 332148177

約数列:

[1, 3, 9, 27, 81, 449, 1347, 4041, 12123, 18367, 36369, 55101, 165303, 495909, 1487727, 8246783, 24740349, 74221047, 222663141, 667989423]

約数ペア:

[(1, 667989423), (3, 222663141), (9, 74221047), (27, 24740349), (81, 8246783), (449, 1487727), (1347, 495909), (4041, 165303), (12123, 55101), (18367, 36369)]