1287825

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 2666496

約数和(自身を除く): 1378671

約数列:

[1, 3, 5, 7, 11, 15, 21, 25, 33, 35, 55, 75, 77, 105, 165, 175, 223, 231, 275, 385, 525, 669, 825, 1115, 1155, 1561, 1925, 2453, 3345, 4683, 5575, 5775, 7359, 7805, 12265, 16725, 17171, 23415, 36795, 39025, 51513, 61325, 85855, 117075, 183975, 257565, 429275, 1287825]

約数ペア:

[(1, 1287825), (3, 429275), (5, 257565), (7, 183975), (11, 117075), (15, 85855), (21, 61325), (25, 51513), (33, 39025), (35, 36795), (55, 23415), (75, 17171), (77, 16725), (105, 12265), (165, 7805), (175, 7359), (223, 5775), (231, 5575), (275, 4683), (385, 3345), (525, 2453), (669, 1925), (825, 1561), (1115, 1155)]