420080979

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1\times {\mathrm{239}}^1$

素因数の和:587

約数の個数: 32

約数和(自身を含む): 590976000

約数和(自身を除く): 170895021

約数列:

[1, 3, 29, 87, 89, 227, 239, 267, 681, 717, 2581, 6583, 6931, 7743, 19749, 20203, 20793, 21271, 54253, 60609, 63813, 162759, 585887, 616859, 1573337, 1757661, 1850577, 4720011, 4828517, 14485551, 140026993, 420080979]

約数ペア:

[(1, 420080979), (3, 140026993), (29, 14485551), (87, 4828517), (89, 4720011), (227, 1850577), (239, 1757661), (267, 1573337), (681, 616859), (717, 585887), (2581, 162759), (6583, 63813), (6931, 60609), (7743, 54253), (19749, 21271), (20203, 20793)]