207987171

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{283}}^1\times {\mathrm{443}}^1$

素因数の和:815

約数の個数: 32

約数和(自身を含む): 322805760

約数和(自身を除く): 114818589

約数列:

[1, 3, 7, 21, 79, 237, 283, 443, 553, 849, 1329, 1659, 1981, 3101, 5943, 9303, 22357, 34997, 67071, 104991, 125369, 156499, 244979, 376107, 469497, 734937, 877583, 2632749, 9904151, 29712453, 69329057, 207987171]

約数ペア:

[(1, 207987171), (3, 69329057), (7, 29712453), (21, 9904151), (79, 2632749), (237, 877583), (283, 734937), (443, 469497), (553, 376107), (849, 244979), (1329, 156499), (1659, 125369), (1981, 104991), (3101, 67071), (5943, 34997), (9303, 22357)]