217223601

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{3463}}^1$

素因数の和:3605

約数の個数: 32

約数和(自身を含む): 345845760

約数和(自身を除く): 128622159

約数列:

[1, 3, 7, 21, 29, 87, 103, 203, 309, 609, 721, 2163, 2987, 3463, 8961, 10389, 20909, 24241, 62727, 72723, 100427, 301281, 356689, 702989, 1070067, 2108967, 2496823, 7490469, 10343981, 31031943, 72407867, 217223601]

約数ペア:

[(1, 217223601), (3, 72407867), (7, 31031943), (21, 10343981), (29, 7490469), (87, 2496823), (103, 2108967), (203, 1070067), (309, 702989), (609, 356689), (721, 301281), (2163, 100427), (2987, 72723), (3463, 62727), (8961, 24241), (10389, 20909)]