221420466

素因数分解:

$2^1\times 3^4\times {\mathrm{1366793}}^1$

素因数の和:1366807

約数の個数: 20

約数和(自身を含む): 496146222

約数和(自身を除く): 274725756

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 1366793, 2733586, 4100379, 8200758, 12301137, 24602274, 36903411, 73806822, 110710233, 221420466]

約数ペア:

[(1, 221420466), (2, 110710233), (3, 73806822), (6, 36903411), (9, 24602274), (18, 12301137), (27, 8200758), (54, 4100379), (81, 2733586), (162, 1366793)]