215553489

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{113}}^2\times {\mathrm{331}}^1$

素因数の和:577

約数の個数: 24

約数和(自身を含む): 307955232

約数和(自身を除く): 92401743

約数列:

[1, 3, 17, 51, 113, 331, 339, 993, 1921, 5627, 5763, 12769, 16881, 37403, 38307, 112209, 217073, 635851, 651219, 1907553, 4226539, 12679617, 71851163, 215553489]

約数ペア:

[(1, 215553489), (3, 71851163), (17, 12679617), (51, 4226539), (113, 1907553), (331, 651219), (339, 635851), (993, 217073), (1921, 112209), (5627, 38307), (5763, 37403), (12769, 16881)]