13192025

素因数分解:

$5^2\times 7^2\times {\mathrm{11}}^2\times {\mathrm{89}}^1$

素因数の和:135

約数の個数: 54

約数和(自身を含む): 21150990

約数和(自身を除く): 7958965

約数列:

[1, 5, 7, 11, 25, 35, 49, 55, 77, 89, 121, 175, 245, 275, 385, 445, 539, 605, 623, 847, 979, 1225, 1925, 2225, 2695, 3025, 3115, 4235, 4361, 4895, 5929, 6853, 10769, 13475, 15575, 21175, 21805, 24475, 29645, 34265, 47971, 53845, 75383, 109025, 148225, 171325, 239855, 269225, 376915, 527681, 1199275, 1884575, 2638405, 13192025]

約数ペア:

[(1, 13192025), (5, 2638405), (7, 1884575), (11, 1199275), (25, 527681), (35, 376915), (49, 269225), (55, 239855), (77, 171325), (89, 148225), (121, 109025), (175, 75383), (245, 53845), (275, 47971), (385, 34265), (445, 29645), (539, 24475), (605, 21805), (623, 21175), (847, 15575), (979, 13475), (1225, 10769), (1925, 6853), (2225, 5929), (2695, 4895), (3025, 4361), (3115, 4235)]