16181613

素因数分解:

$3^7\times 7^2\times {\mathrm{151}}^1$

素因数の和:186

約数の個数: 48

約数和(自身を含む): 28417920

約数和(自身を除く): 12236307

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 151, 189, 243, 441, 453, 567, 729, 1057, 1323, 1359, 1701, 2187, 3171, 3969, 4077, 5103, 7399, 9513, 11907, 12231, 15309, 22197, 28539, 35721, 36693, 66591, 85617, 107163, 110079, 199773, 256851, 330237, 599319, 770553, 1797957, 2311659, 5393871, 16181613]

約数ペア:

[(1, 16181613), (3, 5393871), (7, 2311659), (9, 1797957), (21, 770553), (27, 599319), (49, 330237), (63, 256851), (81, 199773), (147, 110079), (151, 107163), (189, 85617), (243, 66591), (441, 36693), (453, 35721), (567, 28539), (729, 22197), (1057, 15309), (1323, 12231), (1359, 11907), (1701, 9513), (2187, 7399), (3171, 5103), (3969, 4077)]