207972149

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{577}}^1$

素因数の和:777

約数の個数: 32

約数和(自身を含む): 269893632

約数和(自身を除く): 61921483

約数列:

[1, 7, 11, 31, 77, 151, 217, 341, 577, 1057, 1661, 2387, 4039, 4681, 6347, 11627, 17887, 32767, 44429, 51491, 87127, 125209, 196757, 360437, 609889, 958397, 1377299, 2700937, 6708779, 18906559, 29710307, 207972149]

約数ペア:

[(1, 207972149), (7, 29710307), (11, 18906559), (31, 6708779), (77, 2700937), (151, 1377299), (217, 958397), (341, 609889), (577, 360437), (1057, 196757), (1661, 125209), (2387, 87127), (4039, 51491), (4681, 44429), (6347, 32767), (11627, 17887)]