28872375

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{647}}^1$

素因数の和:689

約数の個数: 64

約数和(自身を含む): 58226688

約数和(自身を除く): 29354313

約数列:

[1, 3, 5, 7, 15, 17, 21, 25, 35, 51, 75, 85, 105, 119, 125, 175, 255, 357, 375, 425, 525, 595, 647, 875, 1275, 1785, 1941, 2125, 2625, 2975, 3235, 4529, 6375, 8925, 9705, 10999, 13587, 14875, 16175, 22645, 32997, 44625, 48525, 54995, 67935, 76993, 80875, 113225, 164985, 230979, 242625, 274975, 339675, 384965, 566125, 824925, 1154895, 1374875, 1698375, 1924825, 4124625, 5774475, 9624125, 28872375]

約数ペア:

[(1, 28872375), (3, 9624125), (5, 5774475), (7, 4124625), (15, 1924825), (17, 1698375), (21, 1374875), (25, 1154895), (35, 824925), (51, 566125), (75, 384965), (85, 339675), (105, 274975), (119, 242625), (125, 230979), (175, 164985), (255, 113225), (357, 80875), (375, 76993), (425, 67935), (525, 54995), (595, 48525), (647, 44625), (875, 32997), (1275, 22645), (1785, 16175), (1941, 14875), (2125, 13587), (2625, 10999), (2975, 9705), (3235, 8925), (4529, 6375)]