215451738

素因数分解:

$2^1\times 3^4\times {\mathrm{1329949}}^1$

素因数の和:1329963

約数の個数: 20

約数和(自身を含む): 482771850

約数和(自身を除く): 267320112

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 1329949, 2659898, 3989847, 7979694, 11969541, 23939082, 35908623, 71817246, 107725869, 215451738]

約数ペア:

[(1, 215451738), (2, 107725869), (3, 71817246), (6, 35908623), (9, 23939082), (18, 11969541), (27, 7979694), (54, 3989847), (81, 2659898), (162, 1329949)]