68401905

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{223}}^1$

素因数の和:279

約数の個数: 72

約数和(自身を含む): 130846464

約数和(自身を除く): 62444559

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 121, 143, 165, 169, 195, 223, 363, 429, 507, 605, 669, 715, 845, 1115, 1573, 1815, 1859, 2145, 2453, 2535, 2899, 3345, 4719, 5577, 7359, 7865, 8697, 9295, 12265, 14495, 20449, 23595, 26983, 27885, 31889, 36795, 37687, 43485, 61347, 80949, 95667, 102245, 113061, 134915, 159445, 188435, 306735, 350779, 404745, 414557, 478335, 565305, 1052337, 1243671, 1753895, 2072785, 4560127, 5261685, 6218355, 13680381, 22800635, 68401905]

約数ペア:

[(1, 68401905), (3, 22800635), (5, 13680381), (11, 6218355), (13, 5261685), (15, 4560127), (33, 2072785), (39, 1753895), (55, 1243671), (65, 1052337), (121, 565305), (143, 478335), (165, 414557), (169, 404745), (195, 350779), (223, 306735), (363, 188435), (429, 159445), (507, 134915), (605, 113061), (669, 102245), (715, 95667), (845, 80949), (1115, 61347), (1573, 43485), (1815, 37687), (1859, 36795), (2145, 31889), (2453, 27885), (2535, 26983), (2899, 23595), (3345, 20449), (4719, 14495), (5577, 12265), (7359, 9295), (7865, 8697)]