220175091

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{51287}}^1$

素因数の和:51352

約数の個数: 20

約数和(自身を含む): 335115792

約数和(自身を除く): 114940701

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 1431, 4293, 51287, 153861, 461583, 1384749, 2718211, 4154247, 8154633, 24463899, 73391697, 220175091]

約数ペア:

[(1, 220175091), (3, 73391697), (9, 24463899), (27, 8154633), (53, 4154247), (81, 2718211), (159, 1384749), (477, 461583), (1431, 153861), (4293, 51287)]