261034893

素因数分解:

$3^4\times 7^1\times {\mathrm{460379}}^1$

素因数の和:460398

約数の個数: 20

約数和(自身を含む): 445647840

約数和(自身を除く): 184612947

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 460379, 1381137, 3222653, 4143411, 9667959, 12430233, 29003877, 37290699, 87011631, 261034893]

約数ペア:

[(1, 261034893), (3, 87011631), (7, 37290699), (9, 29003877), (21, 12430233), (27, 9667959), (63, 4143411), (81, 3222653), (189, 1381137), (567, 460379)]