71925165

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{719}}^1$

素因数の和:768

約数の個数: 80

約数和(自身を含む): 146361600

約数和(自身を除く): 74436435

約数列:

[1, 3, 5, 9, 13, 15, 19, 27, 39, 45, 57, 65, 81, 95, 117, 135, 171, 195, 247, 285, 351, 405, 513, 585, 719, 741, 855, 1053, 1235, 1539, 1755, 2157, 2223, 2565, 3595, 3705, 5265, 6471, 6669, 7695, 9347, 10785, 11115, 13661, 19413, 20007, 28041, 32355, 33345, 40983, 46735, 58239, 68305, 84123, 97065, 100035, 122949, 140205, 177593, 204915, 252369, 291195, 368847, 420615, 532779, 614745, 757107, 887965, 1106541, 1261845, 1598337, 1844235, 2663895, 3785535, 4795011, 5532705, 7991685, 14385033, 23975055, 71925165]

約数ペア:

[(1, 71925165), (3, 23975055), (5, 14385033), (9, 7991685), (13, 5532705), (15, 4795011), (19, 3785535), (27, 2663895), (39, 1844235), (45, 1598337), (57, 1261845), (65, 1106541), (81, 887965), (95, 757107), (117, 614745), (135, 532779), (171, 420615), (195, 368847), (247, 291195), (285, 252369), (351, 204915), (405, 177593), (513, 140205), (585, 122949), (719, 100035), (741, 97065), (855, 84123), (1053, 68305), (1235, 58239), (1539, 46735), (1755, 40983), (2157, 33345), (2223, 32355), (2565, 28041), (3595, 20007), (3705, 19413), (5265, 13661), (6471, 11115), (6669, 10785), (7695, 9347)]