221337198

素因数分解:

$2^1\times 3^4\times {\mathrm{1366279}}^1$

素因数の和:1366293

約数の個数: 20

約数和(自身を含む): 495959640

約数和(自身を除く): 274622442

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 1366279, 2732558, 4098837, 8197674, 12296511, 24593022, 36889533, 73779066, 110668599, 221337198]

約数ペア:

[(1, 221337198), (2, 110668599), (3, 73779066), (6, 36889533), (9, 24593022), (18, 12296511), (27, 8197674), (54, 4098837), (81, 2732558), (162, 1366279)]