30951291

素因数分解:

$3^1\times 7^4\times {\mathrm{4297}}^1$

素因数の和:4328

約数の個数: 20

約数和(自身を含む): 48154792

約数和(自身を除く): 17203501

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 2401, 4297, 7203, 12891, 30079, 90237, 210553, 631659, 1473871, 4421613, 10317097, 30951291]

約数ペア:

[(1, 30951291), (3, 10317097), (7, 4421613), (21, 1473871), (49, 631659), (147, 210553), (343, 90237), (1029, 30079), (2401, 12891), (4297, 7203)]