189983927

素因数分解:

$7^4\times {\mathrm{67}}^1\times {\mathrm{1181}}^1$

素因数の和:1276

約数の個数: 20

約数和(自身を含む): 225133176

約数和(自身を除く): 35149249

約数列:

[1, 7, 49, 67, 343, 469, 1181, 2401, 3283, 8267, 22981, 57869, 79127, 160867, 405083, 553889, 2835581, 3877223, 27140561, 189983927]

約数ペア:

[(1, 189983927), (7, 27140561), (49, 3877223), (67, 2835581), (343, 553889), (469, 405083), (1181, 160867), (2401, 79127), (3283, 57869), (8267, 22981)]