217620054

素因数分解:

$2^1\times 3^3\times {\mathrm{101}}^1\times {\mathrm{39901}}^1$

素因数の和:40013

約数の個数: 32

約数和(自身を含む): 488400480

約数和(自身を除く): 270780426

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 101, 202, 303, 606, 909, 1818, 2727, 5454, 39901, 79802, 119703, 239406, 359109, 718218, 1077327, 2154654, 4030001, 8060002, 12090003, 24180006, 36270009, 72540018, 108810027, 217620054]

約数ペア:

[(1, 217620054), (2, 108810027), (3, 72540018), (6, 36270009), (9, 24180006), (18, 12090003), (27, 8060002), (54, 4030001), (101, 2154654), (202, 1077327), (303, 718218), (606, 359109), (909, 239406), (1818, 119703), (2727, 79802), (5454, 39901)]