2290365

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{661}}^1$

素因数の和:690

約数の個数: 48

約数和(自身を含む): 4957056

約数和(自身を除く): 2666691

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 55, 63, 77, 99, 105, 165, 231, 315, 385, 495, 661, 693, 1155, 1983, 3305, 3465, 4627, 5949, 7271, 9915, 13881, 21813, 23135, 29745, 36355, 41643, 50897, 65439, 69405, 109065, 152691, 208215, 254485, 327195, 458073, 763455, 2290365]

約数ペア:

[(1, 2290365), (3, 763455), (5, 458073), (7, 327195), (9, 254485), (11, 208215), (15, 152691), (21, 109065), (33, 69405), (35, 65439), (45, 50897), (55, 41643), (63, 36355), (77, 29745), (99, 23135), (105, 21813), (165, 13881), (231, 9915), (315, 7271), (385, 5949), (495, 4627), (661, 3465), (693, 3305), (1155, 1983)]