197982015

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{15583}}^1$

素因数の和:15620

約数の個数: 48

約数和(自身を含む): 397953024

約数和(自身を除く): 199971009

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 121, 165, 231, 363, 385, 605, 847, 1155, 1815, 2541, 4235, 12705, 15583, 46749, 77915, 109081, 171413, 233745, 327243, 514239, 545405, 857065, 1199891, 1636215, 1885543, 2571195, 3599673, 5656629, 5999455, 9427715, 13198801, 17998365, 28283145, 39596403, 65994005, 197982015]

約数ペア:

[(1, 197982015), (3, 65994005), (5, 39596403), (7, 28283145), (11, 17998365), (15, 13198801), (21, 9427715), (33, 5999455), (35, 5656629), (55, 3599673), (77, 2571195), (105, 1885543), (121, 1636215), (165, 1199891), (231, 857065), (363, 545405), (385, 514239), (605, 327243), (847, 233745), (1155, 171413), (1815, 109081), (2541, 77915), (4235, 46749), (12705, 15583)]