27659905

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:146

約数の個数: 64

約数和(自身を含む): 44126208

約数和(自身を除く): 16466303

約数列:

[1, 5, 7, 13, 31, 35, 37, 53, 65, 91, 155, 185, 217, 259, 265, 371, 403, 455, 481, 689, 1085, 1147, 1295, 1643, 1855, 1961, 2015, 2405, 2821, 3367, 3445, 4823, 5735, 8029, 8215, 9805, 11501, 13727, 14105, 14911, 16835, 21359, 24115, 25493, 40145, 57505, 60791, 68635, 74555, 104377, 106795, 127465, 149513, 178451, 303955, 425537, 521885, 747565, 790283, 892255, 2127685, 3951415, 5531981, 27659905]

約数ペア:

[(1, 27659905), (5, 5531981), (7, 3951415), (13, 2127685), (31, 892255), (35, 790283), (37, 747565), (53, 521885), (65, 425537), (91, 303955), (155, 178451), (185, 149513), (217, 127465), (259, 106795), (265, 104377), (371, 74555), (403, 68635), (455, 60791), (481, 57505), (689, 40145), (1085, 25493), (1147, 24115), (1295, 21359), (1643, 16835), (1855, 14911), (1961, 14105), (2015, 13727), (2405, 11501), (2821, 9805), (3367, 8215), (3445, 8029), (4823, 5735)]