281989203

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{269}}^1\times {\mathrm{347}}^1$

素因数の和:691

約数の個数: 32

約数和(自身を含む): 405907200

約数和(自身を除く): 123917997

約数列:

[1, 3, 19, 53, 57, 159, 269, 347, 807, 1007, 1041, 3021, 5111, 6593, 14257, 15333, 18391, 19779, 42771, 55173, 93343, 270883, 280029, 349429, 812649, 1048287, 1773517, 4947179, 5320551, 14841537, 93996401, 281989203]

約数ペア:

[(1, 281989203), (3, 93996401), (19, 14841537), (53, 5320551), (57, 4947179), (159, 1773517), (269, 1048287), (347, 812649), (807, 349429), (1007, 280029), (1041, 270883), (3021, 93343), (5111, 55173), (6593, 42771), (14257, 19779), (15333, 18391)]