81577854

素因数分解:

$2^1\times 3^4\times {\mathrm{103}}^1\times {\mathrm{4889}}^1$

素因数の和:5006

約数の個数: 40

約数和(自身を含む): 184607280

約数和(自身を除く): 103029426

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 103, 162, 206, 309, 618, 927, 1854, 2781, 4889, 5562, 8343, 9778, 14667, 16686, 29334, 44001, 88002, 132003, 264006, 396009, 503567, 792018, 1007134, 1510701, 3021402, 4532103, 9064206, 13596309, 27192618, 40788927, 81577854]

約数ペア:

[(1, 81577854), (2, 40788927), (3, 27192618), (6, 13596309), (9, 9064206), (18, 4532103), (27, 3021402), (54, 1510701), (81, 1007134), (103, 792018), (162, 503567), (206, 396009), (309, 264006), (618, 132003), (927, 88002), (1854, 44001), (2781, 29334), (4889, 16686), (5562, 14667), (8343, 9778)]