28156765995

素因数分解:

$3^5\times 5^1\times {\mathrm{131}}^1\times {\mathrm{176903}}^1$

素因数の和:177054

約数の個数: 48

約数和(自身を含む): 50999300352

約数和(自身を除く): 22842534357

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 131, 135, 243, 393, 405, 655, 1179, 1215, 1965, 3537, 5895, 10611, 17685, 31833, 53055, 159165, 176903, 530709, 884515, 1592127, 2653545, 4776381, 7960635, 14329143, 23174293, 23881905, 42987429, 69522879, 71645715, 115871465, 208568637, 214937145, 347614395, 625705911, 1042843185, 1877117733, 3128529555, 5631353199, 9385588665, 28156765995]

約数ペア:

[(1, 28156765995), (3, 9385588665), (5, 5631353199), (9, 3128529555), (15, 1877117733), (27, 1042843185), (45, 625705911), (81, 347614395), (131, 214937145), (135, 208568637), (243, 115871465), (393, 71645715), (405, 69522879), (655, 42987429), (1179, 23881905), (1215, 23174293), (1965, 14329143), (3537, 7960635), (5895, 4776381), (10611, 2653545), (17685, 1592127), (31833, 884515), (53055, 530709), (159165, 176903)]