2579156721

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{5039}}^1$

素因数の和:5211

約数の個数: 40

約数和(自身を含む): 3951763200

約数和(自身を除く): 1372606479

約数列:

[1, 3, 9, 27, 71, 81, 89, 213, 267, 639, 801, 1917, 2403, 5039, 5751, 6319, 7209, 15117, 18957, 45351, 56871, 136053, 170613, 357769, 408159, 448471, 511839, 1073307, 1345413, 3219921, 4036239, 9659763, 12108717, 28979289, 31841441, 36326151, 95524323, 286572969, 859718907, 2579156721]

約数ペア:

[(1, 2579156721), (3, 859718907), (9, 286572969), (27, 95524323), (71, 36326151), (81, 31841441), (89, 28979289), (213, 12108717), (267, 9659763), (639, 4036239), (801, 3219921), (1917, 1345413), (2403, 1073307), (5039, 511839), (5751, 448471), (6319, 408159), (7209, 357769), (15117, 170613), (18957, 136053), (45351, 56871)]