38993475

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{113}}^1$

素因数の和:276

約数の個数: 48

約数和(自身を含む): 67174272

約数和(自身を除く): 28180797

約数列:

[1, 3, 5, 15, 25, 43, 75, 107, 113, 129, 215, 321, 339, 535, 565, 645, 1075, 1605, 1695, 2675, 2825, 3225, 4601, 4859, 8025, 8475, 12091, 13803, 14577, 23005, 24295, 36273, 60455, 69015, 72885, 115025, 121475, 181365, 302275, 345075, 364425, 519913, 906825, 1559739, 2599565, 7798695, 12997825, 38993475]

約数ペア:

[(1, 38993475), (3, 12997825), (5, 7798695), (15, 2599565), (25, 1559739), (43, 906825), (75, 519913), (107, 364425), (113, 345075), (129, 302275), (215, 181365), (321, 121475), (339, 115025), (535, 72885), (565, 69015), (645, 60455), (1075, 36273), (1605, 24295), (1695, 23005), (2675, 14577), (2825, 13803), (3225, 12091), (4601, 8475), (4859, 8025)]