81302265

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1033}}^1$

素因数の和:1111

約数の個数: 64

約数和(自身を含む): 160807680

約数和(自身を除く): 79505415

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 53, 55, 99, 135, 159, 165, 265, 297, 477, 495, 583, 795, 1033, 1431, 1485, 1749, 2385, 2915, 3099, 5165, 5247, 7155, 8745, 9297, 11363, 15495, 15741, 26235, 27891, 34089, 46485, 54749, 56815, 78705, 102267, 139455, 164247, 170445, 273745, 306801, 492741, 511335, 602239, 821235, 1478223, 1534005, 1806717, 2463705, 3011195, 5420151, 7391115, 9033585, 16260453, 27100755, 81302265]

約数ペア:

[(1, 81302265), (3, 27100755), (5, 16260453), (9, 9033585), (11, 7391115), (15, 5420151), (27, 3011195), (33, 2463705), (45, 1806717), (53, 1534005), (55, 1478223), (99, 821235), (135, 602239), (159, 511335), (165, 492741), (265, 306801), (297, 273745), (477, 170445), (495, 164247), (583, 139455), (795, 102267), (1033, 78705), (1431, 56815), (1485, 54749), (1749, 46485), (2385, 34089), (2915, 27891), (3099, 26235), (5165, 15741), (5247, 15495), (7155, 11363), (8745, 9297)]