17680221

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2963}}^1$

素因数の和:3002

約数の個数: 32

約数和(自身を含む): 29877120

約数和(自身を除く): 12196899

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 117, 153, 221, 351, 459, 663, 1989, 2963, 5967, 8889, 26667, 38519, 50371, 80001, 115557, 151113, 346671, 453339, 654823, 1040013, 1360017, 1964469, 5893407, 17680221]

約数ペア:

[(1, 17680221), (3, 5893407), (9, 1964469), (13, 1360017), (17, 1040013), (27, 654823), (39, 453339), (51, 346671), (117, 151113), (153, 115557), (221, 80001), (351, 50371), (459, 38519), (663, 26667), (1989, 8889), (2963, 5967)]