173897227

素因数分解:

$7^4\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:165

約数の個数: 40

約数和(自身を含む): 219419136

約数和(自身を除く): 45521909

約数列:

[1, 7, 23, 47, 49, 67, 161, 329, 343, 469, 1081, 1127, 1541, 2303, 2401, 3149, 3283, 7567, 7889, 10787, 16121, 22043, 22981, 52969, 55223, 72427, 75509, 112847, 154301, 160867, 370783, 506989, 528563, 1080107, 2595481, 3548923, 3699941, 7560749, 24842461, 173897227]

約数ペア:

[(1, 173897227), (7, 24842461), (23, 7560749), (47, 3699941), (49, 3548923), (67, 2595481), (161, 1080107), (329, 528563), (343, 506989), (469, 370783), (1081, 160867), (1127, 154301), (1541, 112847), (2303, 75509), (2401, 72427), (3149, 55223), (3283, 52969), (7567, 22981), (7889, 22043), (10787, 16121)]