1915705545

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{31387}}^1$

素因数の和:31721

約数の個数: 32

約数和(自身を含む): 3311559552

約数和(自身を除く): 1395854007

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 313, 939, 1565, 4069, 4695, 12207, 20345, 31387, 61035, 94161, 156935, 408031, 470805, 1224093, 2040155, 6120465, 9824131, 29472393, 49120655, 127713703, 147361965, 383141109, 638568515, 1915705545]

約数ペア:

[(1, 1915705545), (3, 638568515), (5, 383141109), (13, 147361965), (15, 127713703), (39, 49120655), (65, 29472393), (195, 9824131), (313, 6120465), (939, 2040155), (1565, 1224093), (4069, 470805), (4695, 408031), (12207, 156935), (20345, 94161), (31387, 61035)]