218907747

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{379}}^1\times {\mathrm{2213}}^1$

素因数の和:2627

約数の個数: 24

約数和(自身を含む): 328114800

約数和(自身を除く): 109207053

約数列:

[1, 3, 9, 29, 87, 261, 379, 1137, 2213, 3411, 6639, 10991, 19917, 32973, 64177, 98919, 192531, 577593, 838727, 2516181, 7548543, 24323083, 72969249, 218907747]

約数ペア:

[(1, 218907747), (3, 72969249), (9, 24323083), (29, 7548543), (87, 2516181), (261, 838727), (379, 577593), (1137, 192531), (2213, 98919), (3411, 64177), (6639, 32973), (10991, 19917)]