76890015

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{313}}^1$

素因数の和:480

約数の個数: 48

約数和(自身を含む): 137547072

約数和(自身を除く): 60657057

約数列:

[1, 3, 5, 9, 15, 45, 53, 103, 159, 265, 309, 313, 477, 515, 795, 927, 939, 1545, 1565, 2385, 2817, 4635, 4695, 5459, 14085, 16377, 16589, 27295, 32239, 49131, 49767, 81885, 82945, 96717, 149301, 161195, 245655, 248835, 290151, 483585, 746505, 1450755, 1708667, 5126001, 8543335, 15378003, 25630005, 76890015]

約数ペア:

[(1, 76890015), (3, 25630005), (5, 15378003), (9, 8543335), (15, 5126001), (45, 1708667), (53, 1450755), (103, 746505), (159, 483585), (265, 290151), (309, 248835), (313, 245655), (477, 161195), (515, 149301), (795, 96717), (927, 82945), (939, 81885), (1545, 49767), (1565, 49131), (2385, 32239), (2817, 27295), (4635, 16589), (4695, 16377), (5459, 14085)]