1208955

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{431}}^1$

素因数の和:467

約数の個数: 32

約数和(自身を含む): 2239488

約数和(自身を除く): 1030533

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 165, 187, 255, 431, 561, 935, 1293, 2155, 2805, 4741, 6465, 7327, 14223, 21981, 23705, 36635, 71115, 80597, 109905, 241791, 402985, 1208955]

約数ペア:

[(1, 1208955), (3, 402985), (5, 241791), (11, 109905), (15, 80597), (17, 71115), (33, 36635), (51, 23705), (55, 21981), (85, 14223), (165, 7327), (187, 6465), (255, 4741), (431, 2805), (561, 2155), (935, 1293)]