440385

素因数分解:

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

素因数の和:193

約数の個数: 32

約数和(自身を含む): 819072

約数和(自身を除く): 378687

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 157, 165, 187, 255, 471, 561, 785, 935, 1727, 2355, 2669, 2805, 5181, 8007, 8635, 13345, 25905, 29359, 40035, 88077, 146795, 440385]

約数ペア:

[(1, 440385), (3, 146795), (5, 88077), (11, 40035), (15, 29359), (17, 25905), (33, 13345), (51, 8635), (55, 8007), (85, 5181), (157, 2805), (165, 2669), (187, 2355), (255, 1727), (471, 935), (561, 785)]