1380931455

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{661}}^1$

素因数の和:832

約数の個数: 64

約数和(自身を含む): 2348881920

約数和(自身を除く): 967950465

約数列:

[1, 3, 5, 15, 41, 43, 79, 123, 129, 205, 215, 237, 395, 615, 645, 661, 1185, 1763, 1983, 3239, 3305, 3397, 5289, 8815, 9717, 9915, 10191, 16195, 16985, 26445, 27101, 28423, 48585, 50955, 52219, 81303, 85269, 135505, 139277, 142115, 156657, 261095, 406515, 417831, 426345, 696385, 783285, 1165343, 2089155, 2140979, 2245417, 3496029, 5826715, 6422937, 6736251, 10704895, 11227085, 17480145, 32114685, 33681255, 92062097, 276186291, 460310485, 1380931455]

約数ペア:

[(1, 1380931455), (3, 460310485), (5, 276186291), (15, 92062097), (41, 33681255), (43, 32114685), (79, 17480145), (123, 11227085), (129, 10704895), (205, 6736251), (215, 6422937), (237, 5826715), (395, 3496029), (615, 2245417), (645, 2140979), (661, 2089155), (1185, 1165343), (1763, 783285), (1983, 696385), (3239, 426345), (3305, 417831), (3397, 406515), (5289, 261095), (8815, 156657), (9717, 142115), (9915, 139277), (10191, 135505), (16195, 85269), (16985, 81303), (26445, 52219), (27101, 50955), (28423, 48585)]