81290835

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3067}}^1$

素因数の和:3128

約数の個数: 48

約数和(自身を含む): 153154560

約数和(自身を除く): 71863725

約数列:

[1, 3, 5, 9, 15, 19, 31, 45, 57, 93, 95, 155, 171, 279, 285, 465, 589, 855, 1395, 1767, 2945, 3067, 5301, 8835, 9201, 15335, 26505, 27603, 46005, 58273, 95077, 138015, 174819, 285231, 291365, 475385, 524457, 855693, 874095, 1426155, 1806463, 2622285, 4278465, 5419389, 9032315, 16258167, 27096945, 81290835]

約数ペア:

[(1, 81290835), (3, 27096945), (5, 16258167), (9, 9032315), (15, 5419389), (19, 4278465), (31, 2622285), (45, 1806463), (57, 1426155), (93, 874095), (95, 855693), (155, 524457), (171, 475385), (279, 291365), (285, 285231), (465, 174819), (589, 138015), (855, 95077), (1395, 58273), (1767, 46005), (2945, 27603), (3067, 26505), (5301, 15335), (8835, 9201)]