221499198

素因数分解:

$2^1\times 3^4\times {\mathrm{1367279}}^1$

素因数の和:1367293

約数の個数: 20

約数和(自身を含む): 496322640

約数和(自身を除く): 274823442

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 1367279, 2734558, 4101837, 8203674, 12305511, 24611022, 36916533, 73833066, 110749599, 221499198]

約数ペア:

[(1, 221499198), (2, 110749599), (3, 73833066), (6, 36916533), (9, 24611022), (18, 12305511), (27, 8203674), (54, 4101837), (81, 2734558), (162, 1367279)]