201651195

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{181}}^1\times {\mathrm{257}}^1$

素因数の和:480

約数の個数: 48

約数和(自身を含む): 345971808

約数和(自身を除く): 144320613

約数列:

[1, 3, 5, 15, 17, 51, 85, 181, 255, 257, 289, 543, 771, 867, 905, 1285, 1445, 2715, 3077, 3855, 4335, 4369, 9231, 13107, 15385, 21845, 46155, 46517, 52309, 65535, 74273, 139551, 156927, 222819, 232585, 261545, 371365, 697755, 784635, 790789, 1114095, 2372367, 3953945, 11861835, 13443413, 40330239, 67217065, 201651195]

約数ペア:

[(1, 201651195), (3, 67217065), (5, 40330239), (15, 13443413), (17, 11861835), (51, 3953945), (85, 2372367), (181, 1114095), (255, 790789), (257, 784635), (289, 697755), (543, 371365), (771, 261545), (867, 232585), (905, 222819), (1285, 156927), (1445, 139551), (2715, 74273), (3077, 65535), (3855, 52309), (4335, 46517), (4369, 46155), (9231, 21845), (13107, 15385)]