78806721

素因数分解:

$3^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{14951}}^1$

素因数の和:15212

約数の個数: 16

約数和(自身を含む): 120572928

約数和(自身を除く): 41766207

約数列:

[1, 3, 7, 21, 251, 753, 1757, 5271, 14951, 44853, 104657, 313971, 3752701, 11258103, 26268907, 78806721]

約数ペア:

[(1, 78806721), (3, 26268907), (7, 11258103), (21, 3752701), (251, 313971), (753, 104657), (1757, 44853), (5271, 14951)]