78807555

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1\times {\mathrm{191}}^1$

素因数の和:428

約数の個数: 48

約数和(自身を含む): 140714496

約数和(自身を除く): 61906941

約数列:

[1, 3, 5, 9, 15, 45, 53, 159, 173, 191, 265, 477, 519, 573, 795, 865, 955, 1557, 1719, 2385, 2595, 2865, 7785, 8595, 9169, 10123, 27507, 30369, 33043, 45845, 50615, 82521, 91107, 99129, 137535, 151845, 165215, 297387, 412605, 455535, 495645, 1486935, 1751279, 5253837, 8756395, 15761511, 26269185, 78807555]

約数ペア:

[(1, 78807555), (3, 26269185), (5, 15761511), (9, 8756395), (15, 5253837), (45, 1751279), (53, 1486935), (159, 495645), (173, 455535), (191, 412605), (265, 297387), (477, 165215), (519, 151845), (573, 137535), (795, 99129), (865, 91107), (955, 82521), (1557, 50615), (1719, 45845), (2385, 33043), (2595, 30369), (2865, 27507), (7785, 10123), (8595, 9169)]