28006125

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{227}}^1$

素因数の和:299

約数の個数: 64

約数和(自身を含む): 54632448

約数和(自身を除く): 26626323

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 47, 75, 105, 125, 141, 175, 227, 235, 329, 375, 525, 681, 705, 875, 987, 1135, 1175, 1589, 1645, 2625, 3405, 3525, 4767, 4935, 5675, 5875, 7945, 8225, 10669, 17025, 17625, 23835, 24675, 28375, 32007, 39725, 41125, 53345, 74683, 85125, 119175, 123375, 160035, 198625, 224049, 266725, 373415, 595875, 800175, 1120245, 1333625, 1867075, 4000875, 5601225, 9335375, 28006125]

約数ペア:

[(1, 28006125), (3, 9335375), (5, 5601225), (7, 4000875), (15, 1867075), (21, 1333625), (25, 1120245), (35, 800175), (47, 595875), (75, 373415), (105, 266725), (125, 224049), (141, 198625), (175, 160035), (227, 123375), (235, 119175), (329, 85125), (375, 74683), (525, 53345), (681, 41125), (705, 39725), (875, 32007), (987, 28375), (1135, 24675), (1175, 23835), (1589, 17625), (1645, 17025), (2625, 10669), (3405, 8225), (3525, 7945), (4767, 5875), (4935, 5675)]