15661781001

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{4113943}}^1$

素因数の和:4114002

約数の個数: 20

約数和(自身を含む): 23893786752

約数和(自身を除く): 8232005751

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 4113943, 12341829, 37025487, 111076461, 193355321, 333229383, 580065963, 1740197889, 5220593667, 15661781001]

約数ペア:

[(1, 15661781001), (3, 5220593667), (9, 1740197889), (27, 580065963), (47, 333229383), (81, 193355321), (141, 111076461), (423, 37025487), (1269, 12341829), (3807, 4113943)]