68781999

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2393}}^1$

素因数の和:2487

約数の個数: 32

約数和(自身を含む): 109396224

約数和(自身を除く): 40614225

約数列:

[1, 3, 11, 13, 33, 39, 67, 143, 201, 429, 737, 871, 2211, 2393, 2613, 7179, 9581, 26323, 28743, 31109, 78969, 93327, 160331, 342199, 480993, 1026597, 1763641, 2084303, 5290923, 6252909, 22927333, 68781999]

約数ペア:

[(1, 68781999), (3, 22927333), (11, 6252909), (13, 5290923), (33, 2084303), (39, 1763641), (67, 1026597), (143, 480993), (201, 342199), (429, 160331), (737, 93327), (871, 78969), (2211, 31109), (2393, 28743), (2613, 26323), (7179, 9581)]