75198615

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:248

約数の個数: 64

約数和(自身を含む): 132903936

約数和(自身を除く): 57705321

約数列:

[1, 3, 5, 15, 23, 37, 43, 69, 111, 115, 129, 137, 185, 215, 345, 411, 555, 645, 685, 851, 989, 1591, 2055, 2553, 2967, 3151, 4255, 4773, 4945, 5069, 5891, 7955, 9453, 12765, 14835, 15207, 15755, 17673, 23865, 25345, 29455, 36593, 47265, 76035, 88365, 109779, 116587, 135493, 182965, 217967, 349761, 406479, 548895, 582935, 653901, 677465, 1089835, 1748805, 2032395, 3269505, 5013241, 15039723, 25066205, 75198615]

約数ペア:

[(1, 75198615), (3, 25066205), (5, 15039723), (15, 5013241), (23, 3269505), (37, 2032395), (43, 1748805), (69, 1089835), (111, 677465), (115, 653901), (129, 582935), (137, 548895), (185, 406479), (215, 349761), (345, 217967), (411, 182965), (555, 135493), (645, 116587), (685, 109779), (851, 88365), (989, 76035), (1591, 47265), (2055, 36593), (2553, 29455), (2967, 25345), (3151, 23865), (4255, 17673), (4773, 15755), (4945, 15207), (5069, 14835), (5891, 12765), (7955, 9453)]