655472007

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{263}}^1\times {\mathrm{1061}}^1$

素因数の和:1365

約数の個数: 40

約数和(自身を含む): 1017735840

約数和(自身を除く): 362263833

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 263, 783, 789, 1061, 2349, 2367, 3183, 7101, 7627, 9549, 21303, 22881, 28647, 30769, 68643, 85941, 92307, 205929, 276921, 279043, 617787, 830763, 837129, 2492289, 2511387, 7534161, 8092247, 22602483, 24276741, 72830223, 218490669, 655472007]

約数ペア:

[(1, 655472007), (3, 218490669), (9, 72830223), (27, 24276741), (29, 22602483), (81, 8092247), (87, 7534161), (261, 2511387), (263, 2492289), (783, 837129), (789, 830763), (1061, 617787), (2349, 279043), (2367, 276921), (3183, 205929), (7101, 92307), (7627, 85941), (9549, 68643), (21303, 30769), (22881, 28647)]