2153619

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{233}}^1$

素因数の和:331

約数の個数: 24

約数和(自身を含む): 3407040

約数和(自身を除く): 1253421

約数列:

[1, 3, 9, 13, 39, 79, 117, 233, 237, 699, 711, 1027, 2097, 3029, 3081, 9087, 9243, 18407, 27261, 55221, 165663, 239291, 717873, 2153619]

約数ペア:

[(1, 2153619), (3, 717873), (9, 239291), (13, 165663), (39, 55221), (79, 27261), (117, 18407), (233, 9243), (237, 9087), (699, 3081), (711, 3029), (1027, 2097)]