64890309

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{1123}}^1$

素因数の和:1257

約数の個数: 32

約数和(自身を含む): 100998144

約数和(自身を除く): 36107835

約数列:

[1, 3, 11, 17, 33, 51, 103, 187, 309, 561, 1123, 1133, 1751, 3369, 3399, 5253, 12353, 19091, 19261, 37059, 57273, 57783, 115669, 210001, 347007, 630003, 1272359, 1966373, 3817077, 5899119, 21630103, 64890309]

約数ペア:

[(1, 64890309), (3, 21630103), (11, 5899119), (17, 3817077), (33, 1966373), (51, 1272359), (103, 630003), (187, 347007), (309, 210001), (561, 115669), (1123, 57783), (1133, 57273), (1751, 37059), (3369, 19261), (3399, 19091), (5253, 12353)]