420384789

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{599}}^1$

素因数の和:775

約数の個数: 64

約数和(自身を含む): 725760000

約数和(自身を除く): 305375211

約数列:

[1, 3, 9, 11, 17, 27, 33, 51, 99, 139, 153, 187, 297, 417, 459, 561, 599, 1251, 1529, 1683, 1797, 2363, 3753, 4587, 5049, 5391, 6589, 7089, 10183, 13761, 16173, 19767, 21267, 25993, 30549, 41283, 59301, 63801, 77979, 83261, 91647, 112013, 177903, 233937, 249783, 274941, 336039, 701811, 749349, 915871, 1008117, 1415437, 2248047, 2747613, 3024351, 4246311, 8242839, 12738933, 15569807, 24728517, 38216799, 46709421, 140128263, 420384789]

約数ペア:

[(1, 420384789), (3, 140128263), (9, 46709421), (11, 38216799), (17, 24728517), (27, 15569807), (33, 12738933), (51, 8242839), (99, 4246311), (139, 3024351), (153, 2747613), (187, 2248047), (297, 1415437), (417, 1008117), (459, 915871), (561, 749349), (599, 701811), (1251, 336039), (1529, 274941), (1683, 249783), (1797, 233937), (2363, 177903), (3753, 112013), (4587, 91647), (5049, 83261), (5391, 77979), (6589, 63801), (7089, 59301), (10183, 41283), (13761, 30549), (16173, 25993), (19767, 21267)]