128156931

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{39887}}^1$

素因数の和:39920

約数の個数: 32

約数和(自身を含む): 229754880

約数和(自身を除く): 101597949

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 119, 153, 189, 357, 459, 1071, 3213, 39887, 119661, 279209, 358983, 678079, 837627, 1076949, 2034237, 2512881, 4746553, 6102711, 7538643, 14239659, 18308133, 42718977, 128156931]

約数ペア:

[(1, 128156931), (3, 42718977), (7, 18308133), (9, 14239659), (17, 7538643), (21, 6102711), (27, 4746553), (51, 2512881), (63, 2034237), (119, 1076949), (153, 837627), (189, 678079), (357, 358983), (459, 279209), (1071, 119661), (3213, 39887)]