27989118

素因数分解:

$2^1\times 3^3\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{293}}^1$

素因数の和:394

約数の個数: 64

約数和(自身を含む): 65620800

約数和(自身を除く): 37631682

約数列:

[1, 2, 3, 6, 9, 18, 27, 29, 54, 58, 61, 87, 122, 174, 183, 261, 293, 366, 522, 549, 586, 783, 879, 1098, 1566, 1647, 1758, 1769, 2637, 3294, 3538, 5274, 5307, 7911, 8497, 10614, 15822, 15921, 16994, 17873, 25491, 31842, 35746, 47763, 50982, 53619, 76473, 95526, 107238, 152946, 160857, 229419, 321714, 458838, 482571, 518317, 965142, 1036634, 1554951, 3109902, 4664853, 9329706, 13994559, 27989118]

約数ペア:

[(1, 27989118), (2, 13994559), (3, 9329706), (6, 4664853), (9, 3109902), (18, 1554951), (27, 1036634), (29, 965142), (54, 518317), (58, 482571), (61, 458838), (87, 321714), (122, 229419), (174, 160857), (183, 152946), (261, 107238), (293, 95526), (366, 76473), (522, 53619), (549, 50982), (586, 47763), (783, 35746), (879, 31842), (1098, 25491), (1566, 17873), (1647, 16994), (1758, 15921), (1769, 15822), (2637, 10614), (3294, 8497), (3538, 7911), (5274, 5307)]