640341507

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{113}}^1\times {\mathrm{11177}}^1$

素因数の和:11319

約数の個数: 24

約数和(自身を含む): 932781744

約数和(自身を除く): 292440237

約数列:

[1, 3, 13, 39, 113, 169, 339, 507, 1469, 4407, 11177, 19097, 33531, 57291, 145301, 435903, 1263001, 1888913, 3789003, 5666739, 16419013, 49257039, 213447169, 640341507]

約数ペア:

[(1, 640341507), (3, 213447169), (13, 49257039), (39, 16419013), (113, 5666739), (169, 3789003), (339, 1888913), (507, 1263001), (1469, 435903), (4407, 145301), (11177, 57291), (19097, 33531)]