64533987

素因数分解:

$3^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{7477}}^1$

素因数の和:7627

約数の個数: 24

約数和(自身を含む): 107324256

約数和(自身を除く): 42790269

約数列:

[1, 3, 7, 9, 21, 63, 137, 411, 959, 1233, 2877, 7477, 8631, 22431, 52339, 67293, 157017, 471051, 1024349, 3073047, 7170443, 9219141, 21511329, 64533987]

約数ペア:

[(1, 64533987), (3, 21511329), (7, 9219141), (9, 7170443), (21, 3073047), (63, 1024349), (137, 471051), (411, 157017), (959, 67293), (1233, 52339), (2877, 22431), (7477, 8631)]