81467265

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{21467}}^1$

素因数の和:21509

約数の個数: 32

約数和(自身を含む): 148386816

約数和(自身を除く): 66919551

約数列:

[1, 3, 5, 11, 15, 23, 33, 55, 69, 115, 165, 253, 345, 759, 1265, 3795, 21467, 64401, 107335, 236137, 322005, 493741, 708411, 1180685, 1481223, 2468705, 3542055, 5431151, 7406115, 16293453, 27155755, 81467265]

約数ペア:

[(1, 81467265), (3, 27155755), (5, 16293453), (11, 7406115), (15, 5431151), (23, 3542055), (33, 2468705), (55, 1481223), (69, 1180685), (115, 708411), (165, 493741), (253, 322005), (345, 236137), (759, 107335), (1265, 64401), (3795, 21467)]