13915125

素因数分解:

$3^3\times 5^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:81

約数の個数: 128

約数和(自身を含む): 31948800

約数和(自身を除く): 18033675

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 25, 27, 31, 35, 45, 57, 63, 75, 93, 95, 105, 125, 133, 135, 155, 171, 175, 189, 217, 225, 279, 285, 315, 375, 399, 465, 475, 513, 525, 589, 651, 665, 675, 775, 837, 855, 875, 945, 1085, 1125, 1197, 1395, 1425, 1575, 1767, 1953, 1995, 2325, 2375, 2565, 2625, 2945, 3255, 3325, 3375, 3591, 3875, 4123, 4185, 4275, 4725, 5301, 5425, 5859, 5985, 6975, 7125, 7875, 8835, 9765, 9975, 11625, 12369, 12825, 14725, 15903, 16275, 16625, 17955, 20615, 20925, 21375, 23625, 26505, 27125, 29295, 29925, 34875, 37107, 44175, 48825, 49875, 61845, 64125, 73625, 79515, 81375, 89775, 103075, 104625, 111321, 132525, 146475, 149625, 185535, 220875, 244125, 309225, 397575, 448875, 515375, 556605, 662625, 732375, 927675, 1546125, 1987875, 2783025, 4638375, 13915125]

約数ペア:

[(1, 13915125), (3, 4638375), (5, 2783025), (7, 1987875), (9, 1546125), (15, 927675), (19, 732375), (21, 662625), (25, 556605), (27, 515375), (31, 448875), (35, 397575), (45, 309225), (57, 244125), (63, 220875), (75, 185535), (93, 149625), (95, 146475), (105, 132525), (125, 111321), (133, 104625), (135, 103075), (155, 89775), (171, 81375), (175, 79515), (189, 73625), (217, 64125), (225, 61845), (279, 49875), (285, 48825), (315, 44175), (375, 37107), (399, 34875), (465, 29925), (475, 29295), (513, 27125), (525, 26505), (589, 23625), (651, 21375), (665, 20925), (675, 20615), (775, 17955), (837, 16625), (855, 16275), (875, 15903), (945, 14725), (1085, 12825), (1125, 12369), (1197, 11625), (1395, 9975), (1425, 9765), (1575, 8835), (1767, 7875), (1953, 7125), (1995, 6975), (2325, 5985), (2375, 5859), (2565, 5425), (2625, 5301), (2945, 4725), (3255, 4275), (3325, 4185), (3375, 4123), (3591, 3875)]