80687775

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{8089}}^1$

素因数の和:8128

約数の個数: 48

約数和(自身を含む): 160505600

約数和(自身を除く): 79817825

約数列:

[1, 3, 5, 7, 15, 19, 21, 25, 35, 57, 75, 95, 105, 133, 175, 285, 399, 475, 525, 665, 1425, 1995, 3325, 8089, 9975, 24267, 40445, 56623, 121335, 153691, 169869, 202225, 283115, 461073, 606675, 768455, 849345, 1075837, 1415575, 2305365, 3227511, 3842275, 4246725, 5379185, 11526825, 16137555, 26895925, 80687775]

約数ペア:

[(1, 80687775), (3, 26895925), (5, 16137555), (7, 11526825), (15, 5379185), (19, 4246725), (21, 3842275), (25, 3227511), (35, 2305365), (57, 1415575), (75, 1075837), (95, 849345), (105, 768455), (133, 606675), (175, 461073), (285, 283115), (399, 202225), (475, 169869), (525, 153691), (665, 121335), (1425, 56623), (1995, 40445), (3325, 24267), (8089, 9975)]