218339721

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{607}}^1\times {\mathrm{2351}}^1$

素因数の和:2981

約数の個数: 24

約数和(自身を含む): 334623744

約数和(自身を除く): 116284023

約数列:

[1, 3, 9, 17, 51, 153, 607, 1821, 2351, 5463, 7053, 10319, 21159, 30957, 39967, 92871, 119901, 359703, 1427057, 4281171, 12843513, 24259969, 72779907, 218339721]

約数ペア:

[(1, 218339721), (3, 72779907), (9, 24259969), (17, 12843513), (51, 4281171), (153, 1427057), (607, 359703), (1821, 119901), (2351, 92871), (5463, 39967), (7053, 30957), (10319, 21159)]