78720363

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{887}}^1$

素因数の和:1088

約数の個数: 32

約数和(自身を含む): 123609600

約数和(自身を除く): 44889237

約数列:

[1, 3, 9, 19, 27, 57, 171, 173, 513, 519, 887, 1557, 2661, 3287, 4671, 7983, 9861, 16853, 23949, 29583, 50559, 88749, 151677, 153451, 455031, 460353, 1381059, 2915569, 4143177, 8746707, 26240121, 78720363]

約数ペア:

[(1, 78720363), (3, 26240121), (9, 8746707), (19, 4143177), (27, 2915569), (57, 1381059), (171, 460353), (173, 455031), (513, 153451), (519, 151677), (887, 88749), (1557, 50559), (2661, 29583), (3287, 23949), (4671, 16853), (7983, 9861)]