2678991

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:175

約数の個数: 32

約数和(自身を含む): 4354560

約数和(自身を除く): 1675569

約数列:

[1, 3, 7, 21, 29, 53, 83, 87, 159, 203, 249, 371, 581, 609, 1113, 1537, 1743, 2407, 4399, 4611, 7221, 10759, 13197, 16849, 30793, 32277, 50547, 92379, 127571, 382713, 892997, 2678991]

約数ペア:

[(1, 2678991), (3, 892997), (7, 382713), (21, 127571), (29, 92379), (53, 50547), (83, 32277), (87, 30793), (159, 16849), (203, 13197), (249, 10759), (371, 7221), (581, 4611), (609, 4399), (1113, 2407), (1537, 1743)]