210002012721

素因数分解:

$3^4\times {\mathrm{373}}^1\times {\mathrm{6950717}}^1$

素因数の和:6951102

約数の個数: 20

約数和(自身を含む): 314547792372

約数和(自身を除く): 104545779651

約数列:

[1, 3, 9, 27, 81, 373, 1119, 3357, 10071, 30213, 6950717, 20852151, 62556453, 187669359, 563008077, 2592617441, 7777852323, 23333556969, 70000670907, 210002012721]

約数ペア:

[(1, 210002012721), (3, 70000670907), (9, 23333556969), (27, 7777852323), (81, 2592617441), (373, 563008077), (1119, 187669359), (3357, 62556453), (10071, 20852151), (30213, 6950717)]