3131247

素因数分解:

$3^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{179}}^1$

素因数の和:220

約数の個数: 32

約数和(自身を含む): 5184000

約数和(自身を除く): 2052753

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 179, 343, 357, 537, 833, 1029, 1253, 2499, 3043, 3759, 5831, 8771, 9129, 17493, 21301, 26313, 61397, 63903, 149107, 184191, 447321, 1043749, 3131247]

約数ペア:

[(1, 3131247), (3, 1043749), (7, 447321), (17, 184191), (21, 149107), (49, 63903), (51, 61397), (119, 26313), (147, 21301), (179, 17493), (343, 9129), (357, 8771), (537, 5831), (833, 3759), (1029, 3043), (1253, 2499)]