18456321

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{617}}^1$

素因数の和:705

約数の個数: 24

約数和(自身を含む): 27142560

約数和(自身を除く): 8686239

約数列:

[1, 3, 13, 39, 59, 169, 177, 507, 617, 767, 1851, 2301, 8021, 9971, 24063, 29913, 36403, 104273, 109209, 312819, 473239, 1419717, 6152107, 18456321]

約数ペア:

[(1, 18456321), (3, 6152107), (13, 1419717), (39, 473239), (59, 312819), (169, 109209), (177, 104273), (507, 36403), (617, 29913), (767, 24063), (1851, 9971), (2301, 8021)]