18379125

素因数分解:

$3^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{31}}^2$

素因数の和:100

約数の個数: 72

約数和(自身を含む): 36248472

約数和(自身を除く): 17869347

約数列:

[1, 3, 5, 9, 15, 17, 25, 31, 45, 51, 75, 85, 93, 125, 153, 155, 225, 255, 279, 375, 425, 465, 527, 765, 775, 961, 1125, 1275, 1395, 1581, 2125, 2325, 2635, 2883, 3825, 3875, 4743, 4805, 6375, 6975, 7905, 8649, 11625, 13175, 14415, 16337, 19125, 23715, 24025, 34875, 39525, 43245, 49011, 65875, 72075, 81685, 118575, 120125, 147033, 197625, 216225, 245055, 360375, 408425, 592875, 735165, 1081125, 1225275, 2042125, 3675825, 6126375, 18379125]

約数ペア:

[(1, 18379125), (3, 6126375), (5, 3675825), (9, 2042125), (15, 1225275), (17, 1081125), (25, 735165), (31, 592875), (45, 408425), (51, 360375), (75, 245055), (85, 216225), (93, 197625), (125, 147033), (153, 120125), (155, 118575), (225, 81685), (255, 72075), (279, 65875), (375, 49011), (425, 43245), (465, 39525), (527, 34875), (765, 24025), (775, 23715), (961, 19125), (1125, 16337), (1275, 14415), (1395, 13175), (1581, 11625), (2125, 8649), (2325, 7905), (2635, 6975), (2883, 6375), (3825, 4805), (3875, 4743)]