128470959

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{257}}^1\times {\mathrm{829}}^1$

素因数の和:1159

約数の個数: 24

約数和(自身を含む): 189299760

約数和(自身を除く): 60828801

約数列:

[1, 3, 9, 67, 201, 257, 603, 771, 829, 2313, 2487, 7461, 17219, 51657, 55543, 154971, 166629, 213053, 499887, 639159, 1917477, 14274551, 42823653, 128470959]

約数ペア:

[(1, 128470959), (3, 42823653), (9, 14274551), (67, 1917477), (201, 639159), (257, 499887), (603, 213053), (771, 166629), (829, 154971), (2313, 55543), (2487, 51657), (7461, 17219)]