203208255

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1\times {\mathrm{127}}^1$

素因数の和:237

約数の個数: 72

約数和(自身を含む): 376736256

約数和(自身を除く): 173528001

約数列:

[1, 3, 5, 9, 15, 31, 37, 45, 93, 111, 127, 155, 185, 279, 333, 381, 465, 555, 635, 961, 1143, 1147, 1395, 1665, 1905, 2883, 3441, 3937, 4699, 4805, 5715, 5735, 8649, 10323, 11811, 14097, 14415, 17205, 19685, 23495, 35433, 35557, 42291, 43245, 51615, 59055, 70485, 106671, 122047, 145669, 177165, 177785, 211455, 320013, 366141, 437007, 533355, 610235, 728345, 1098423, 1311021, 1600065, 1830705, 2185035, 4515739, 5492115, 6555105, 13547217, 22578695, 40641651, 67736085, 203208255]

約数ペア:

[(1, 203208255), (3, 67736085), (5, 40641651), (9, 22578695), (15, 13547217), (31, 6555105), (37, 5492115), (45, 4515739), (93, 2185035), (111, 1830705), (127, 1600065), (155, 1311021), (185, 1098423), (279, 728345), (333, 610235), (381, 533355), (465, 437007), (555, 366141), (635, 320013), (961, 211455), (1143, 177785), (1147, 177165), (1395, 145669), (1665, 122047), (1905, 106671), (2883, 70485), (3441, 59055), (3937, 51615), (4699, 43245), (4805, 42291), (5715, 35557), (5735, 35433), (8649, 23495), (10323, 19685), (11811, 17205), (14097, 14415)]