1234791

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1$

素因数の和:140

約数の個数: 32

約数和(自身を含む): 2016000

約数和(自身を除く): 781209

約数列:

[1, 3, 9, 19, 27, 29, 57, 83, 87, 171, 249, 261, 513, 551, 747, 783, 1577, 1653, 2241, 2407, 4731, 4959, 7221, 14193, 14877, 21663, 42579, 45733, 64989, 137199, 411597, 1234791]

約数ペア:

[(1, 1234791), (3, 411597), (9, 137199), (19, 64989), (27, 45733), (29, 42579), (57, 21663), (83, 14877), (87, 14193), (171, 7221), (249, 4959), (261, 4731), (513, 2407), (551, 2241), (747, 1653), (783, 1577)]