211375689

素因数分解:

$3^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{191}}^1\times {\mathrm{349}}^1$

素因数の和:701

約数の個数: 32

約数和(自身を含む): 326860800

約数和(自身を除く): 115485111

約数列:

[1, 3, 7, 21, 151, 191, 349, 453, 573, 1047, 1057, 1337, 2443, 3171, 4011, 7329, 28841, 52699, 66659, 86523, 158097, 199977, 201887, 368893, 466613, 605661, 1106679, 1399839, 10065509, 30196527, 70458563, 211375689]

約数ペア:

[(1, 211375689), (3, 70458563), (7, 30196527), (21, 10065509), (151, 1399839), (191, 1106679), (349, 605661), (453, 466613), (573, 368893), (1047, 201887), (1057, 199977), (1337, 158097), (2443, 86523), (3171, 66659), (4011, 52699), (7329, 28841)]