55498215

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^2\times {\mathrm{71}}^1$

素因数の和:192

約数の個数: 48

約数和(自身を含む): 95275008

約数和(自身を除く): 39776793

約数列:

[1, 3, 5, 15, 31, 41, 71, 93, 123, 155, 205, 213, 355, 465, 615, 1065, 1271, 1681, 2201, 2911, 3813, 5043, 6355, 6603, 8405, 8733, 11005, 14555, 19065, 25215, 33015, 43665, 52111, 90241, 119351, 156333, 260555, 270723, 358053, 451205, 596755, 781665, 1353615, 1790265, 3699881, 11099643, 18499405, 55498215]

約数ペア:

[(1, 55498215), (3, 18499405), (5, 11099643), (15, 3699881), (31, 1790265), (41, 1353615), (71, 781665), (93, 596755), (123, 451205), (155, 358053), (205, 270723), (213, 260555), (355, 156333), (465, 119351), (615, 90241), (1065, 52111), (1271, 43665), (1681, 33015), (2201, 25215), (2911, 19065), (3813, 14555), (5043, 11005), (6355, 8733), (6603, 8405)]