128426823

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{39971}}^1$

素因数の和:40004

約数の個数: 32

約数和(自身を含む): 230238720

約数和(自身を除く): 101811897

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 119, 153, 189, 357, 459, 1071, 3213, 39971, 119913, 279797, 359739, 679507, 839391, 1079217, 2038521, 2518173, 4756549, 6115563, 7554519, 14269647, 18346689, 42808941, 128426823]

約数ペア:

[(1, 128426823), (3, 42808941), (7, 18346689), (9, 14269647), (17, 7554519), (21, 6115563), (27, 4756549), (51, 2518173), (63, 2038521), (119, 1079217), (153, 839391), (189, 679507), (357, 359739), (459, 279797), (1071, 119913), (3213, 39971)]