1280763

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{761}}^1$

素因数の和:795

約数の個数: 24

約数和(自身を含む): 2139696

約数和(自身を除く): 858933

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 153, 187, 561, 761, 1683, 2283, 6849, 8371, 12937, 25113, 38811, 75339, 116433, 142307, 426921, 1280763]

約数ペア:

[(1, 1280763), (3, 426921), (9, 142307), (11, 116433), (17, 75339), (33, 38811), (51, 25113), (99, 12937), (153, 8371), (187, 6849), (561, 2283), (761, 1683)]