7213779

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:161

約数の個数: 40

約数和(自身を含む): 11586960

約数和(自身を除く): 4373181

約数列:

[1, 3, 9, 27, 29, 37, 81, 83, 87, 111, 249, 261, 333, 747, 783, 999, 1073, 2241, 2349, 2407, 2997, 3071, 3219, 6723, 7221, 9213, 9657, 21663, 27639, 28971, 64989, 82917, 86913, 89059, 194967, 248751, 267177, 801531, 2404593, 7213779]

約数ペア:

[(1, 7213779), (3, 2404593), (9, 801531), (27, 267177), (29, 248751), (37, 194967), (81, 89059), (83, 86913), (87, 82917), (111, 64989), (249, 28971), (261, 27639), (333, 21663), (747, 9657), (783, 9213), (999, 7221), (1073, 6723), (2241, 3219), (2349, 3071), (2407, 2997)]