7187481

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2237}}^1$

素因数の和:2270

約数の個数: 32

約数和(自身を含む): 12890880

約数和(自身を除く): 5703399

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 119, 153, 189, 357, 459, 1071, 2237, 3213, 6711, 15659, 20133, 38029, 46977, 60399, 114087, 140931, 266203, 342261, 422793, 798609, 1026783, 2395827, 7187481]

約数ペア:

[(1, 7187481), (3, 2395827), (7, 1026783), (9, 798609), (17, 422793), (21, 342261), (27, 266203), (51, 140931), (63, 114087), (119, 60399), (153, 46977), (189, 38029), (357, 20133), (459, 15659), (1071, 6711), (2237, 3213)]