1209194987

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{569}}^1$

素因数の和:804

約数の個数: 48

約数和(自身を含む): 1647199680

約数和(自身を除く): 438004693

約数列:

[1, 7, 11, 13, 77, 91, 121, 143, 193, 569, 847, 1001, 1351, 1573, 2123, 2509, 3983, 6259, 7397, 11011, 14861, 17563, 23353, 27599, 43813, 51779, 68849, 81367, 109817, 163471, 193193, 303589, 481943, 569569, 768719, 895037, 1207987, 1427621, 2125123, 6265259, 8455909, 9993347, 13287857, 15703831, 93014999, 109926817, 172742141, 1209194987]

約数ペア:

[(1, 1209194987), (7, 172742141), (11, 109926817), (13, 93014999), (77, 15703831), (91, 13287857), (121, 9993347), (143, 8455909), (193, 6265259), (569, 2125123), (847, 1427621), (1001, 1207987), (1351, 895037), (1573, 768719), (2123, 569569), (2509, 481943), (3983, 303589), (6259, 193193), (7397, 163471), (11011, 109817), (14861, 81367), (17563, 68849), (23353, 51779), (27599, 43813)]