204920492805

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{34239013}}^1$

素因数の和:34239050

約数の個数: 48

約数和(自身を含む): 427302894720

約数和(自身を除く): 222382401915

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 57, 63, 95, 105, 133, 171, 285, 315, 399, 665, 855, 1197, 1995, 5985, 34239013, 102717039, 171195065, 239673091, 308151117, 513585195, 650541247, 719019273, 1198365455, 1540755585, 1951623741, 2157057819, 3252706235, 3595096365, 4553788729, 5854871223, 9758118705, 10785289095, 13661366187, 22768943645, 29274356115, 40984098561, 68306830935, 204920492805]

約数ペア:

[(1, 204920492805), (3, 68306830935), (5, 40984098561), (7, 29274356115), (9, 22768943645), (15, 13661366187), (19, 10785289095), (21, 9758118705), (35, 5854871223), (45, 4553788729), (57, 3595096365), (63, 3252706235), (95, 2157057819), (105, 1951623741), (133, 1540755585), (171, 1198365455), (285, 719019273), (315, 650541247), (399, 513585195), (665, 308151117), (855, 239673091), (1197, 171195065), (1995, 102717039), (5985, 34239013)]