291236391

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{569}}^1$

素因数の和:741

約数の個数: 40

約数和(自身を含む): 446925600

約数和(自身を除く): 155689209

約数列:

[1, 3, 9, 27, 71, 81, 89, 213, 267, 569, 639, 801, 1707, 1917, 2403, 5121, 5751, 6319, 7209, 15363, 18957, 40399, 46089, 50641, 56871, 121197, 151923, 170613, 363591, 455769, 511839, 1090773, 1367307, 3272319, 3595511, 4101921, 10786533, 32359599, 97078797, 291236391]

約数ペア:

[(1, 291236391), (3, 97078797), (9, 32359599), (27, 10786533), (71, 4101921), (81, 3595511), (89, 3272319), (213, 1367307), (267, 1090773), (569, 511839), (639, 455769), (801, 363591), (1707, 170613), (1917, 151923), (2403, 121197), (5121, 56871), (5751, 50641), (6319, 46089), (7209, 40399), (15363, 18957)]