9781551

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{109}}^1$

素因数の和:200

約数の個数: 36

約数和(自身を含む): 15701400

約数和(自身を除く): 5919849

約数列:

[1, 3, 9, 13, 39, 59, 109, 117, 169, 177, 327, 507, 531, 767, 981, 1417, 1521, 2301, 4251, 6431, 6903, 9971, 12753, 18421, 19293, 29913, 55263, 57879, 83603, 89739, 165789, 250809, 752427, 1086839, 3260517, 9781551]

約数ペア:

[(1, 9781551), (3, 3260517), (9, 1086839), (13, 752427), (39, 250809), (59, 165789), (109, 89739), (117, 83603), (169, 57879), (177, 55263), (327, 29913), (507, 19293), (531, 18421), (767, 12753), (981, 9971), (1417, 6903), (1521, 6431), (2301, 4251)]