168421125

素因数分解:

$3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{911}}^1$

素因数の和:975

約数の個数: 64

約数和(自身を含む): 307307520

約数和(自身を除く): 138886395

約数列:

[1, 3, 5, 15, 17, 25, 29, 51, 75, 85, 87, 125, 145, 255, 375, 425, 435, 493, 725, 911, 1275, 1479, 2125, 2175, 2465, 2733, 3625, 4555, 6375, 7395, 10875, 12325, 13665, 15487, 22775, 26419, 36975, 46461, 61625, 68325, 77435, 79257, 113875, 132095, 184875, 232305, 341625, 387175, 396285, 449123, 660475, 1161525, 1347369, 1935875, 1981425, 2245615, 3302375, 5807625, 6736845, 9907125, 11228075, 33684225, 56140375, 168421125]

約数ペア:

[(1, 168421125), (3, 56140375), (5, 33684225), (15, 11228075), (17, 9907125), (25, 6736845), (29, 5807625), (51, 3302375), (75, 2245615), (85, 1981425), (87, 1935875), (125, 1347369), (145, 1161525), (255, 660475), (375, 449123), (425, 396285), (435, 387175), (493, 341625), (725, 232305), (911, 184875), (1275, 132095), (1479, 113875), (2125, 79257), (2175, 77435), (2465, 68325), (2733, 61625), (3625, 46461), (4555, 36975), (6375, 26419), (7395, 22775), (10875, 15487), (12325, 13665)]