407707839

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{20287}}^1$

素因数の和:20340

約数の個数: 48

約数和(自身を含む): 759582720

約数和(自身を除く): 351874881

約数列:

[1, 3, 7, 9, 11, 21, 29, 33, 63, 77, 87, 99, 203, 231, 261, 319, 609, 693, 957, 1827, 2233, 2871, 6699, 20097, 20287, 60861, 142009, 182583, 223157, 426027, 588323, 669471, 1278081, 1562099, 1764969, 2008413, 4118261, 4686297, 5294907, 6471553, 12354783, 14058891, 19414659, 37064349, 45300871, 58243977, 135902613, 407707839]

約数ペア:

[(1, 407707839), (3, 135902613), (7, 58243977), (9, 45300871), (11, 37064349), (21, 19414659), (29, 14058891), (33, 12354783), (63, 6471553), (77, 5294907), (87, 4686297), (99, 4118261), (203, 2008413), (231, 1764969), (261, 1562099), (319, 1278081), (609, 669471), (693, 588323), (957, 426027), (1827, 223157), (2233, 182583), (2871, 142009), (6699, 60861), (20097, 20287)]