25091871

素因数分解:

$3^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{1303}}^1$

素因数の和:1451

約数の個数: 24

約数和(自身を含む): 39245184

約数和(自身を除く): 14153313

約数列:

[1, 3, 7, 21, 49, 131, 147, 393, 917, 1303, 2751, 3909, 6419, 9121, 19257, 27363, 63847, 170693, 191541, 512079, 1194851, 3584553, 8363957, 25091871]

約数ペア:

[(1, 25091871), (3, 8363957), (7, 3584553), (21, 1194851), (49, 512079), (131, 191541), (147, 170693), (393, 63847), (917, 27363), (1303, 19257), (2751, 9121), (3909, 6419)]