64815471

素因数分解:

$3^4\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1447}}^1$

素因数の和:1545

約数の個数: 40

約数和(自身を含む): 112133120

約数和(自身を除く): 47317649

約数列:

[1, 3, 7, 9, 21, 27, 63, 79, 81, 189, 237, 553, 567, 711, 1447, 1659, 2133, 4341, 4977, 6399, 10129, 13023, 14931, 30387, 39069, 44793, 91161, 114313, 117207, 273483, 342939, 800191, 820449, 1028817, 2400573, 3086451, 7201719, 9259353, 21605157, 64815471]

約数ペア:

[(1, 64815471), (3, 21605157), (7, 9259353), (9, 7201719), (21, 3086451), (27, 2400573), (63, 1028817), (79, 820449), (81, 800191), (189, 342939), (237, 273483), (553, 117207), (567, 114313), (711, 91161), (1447, 44793), (1659, 39069), (2133, 30387), (4341, 14931), (4977, 13023), (6399, 10129)]