1321155

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1$

素因数の和:196

約数の個数: 48

約数和(自身を含む): 2661984

約数和(自身を除く): 1340829

約数列:

[1, 3, 5, 9, 11, 15, 17, 33, 45, 51, 55, 85, 99, 153, 157, 165, 187, 255, 471, 495, 561, 765, 785, 935, 1413, 1683, 1727, 2355, 2669, 2805, 5181, 7065, 8007, 8415, 8635, 13345, 15543, 24021, 25905, 29359, 40035, 77715, 88077, 120105, 146795, 264231, 440385, 1321155]

約数ペア:

[(1, 1321155), (3, 440385), (5, 264231), (9, 146795), (11, 120105), (15, 88077), (17, 77715), (33, 40035), (45, 29359), (51, 25905), (55, 24021), (85, 15543), (99, 13345), (153, 8635), (157, 8415), (165, 8007), (187, 7065), (255, 5181), (471, 2805), (495, 2669), (561, 2355), (765, 1727), (785, 1683), (935, 1413)]