13220373

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:213

約数の個数: 32

約数和(自身を含む): 19564416

約数和(自身を除く): 6344043

約数列:

[1, 3, 17, 51, 53, 67, 73, 159, 201, 219, 901, 1139, 1241, 2703, 3417, 3551, 3723, 3869, 4891, 10653, 11607, 14673, 60367, 65773, 83147, 181101, 197319, 249441, 259223, 777669, 4406791, 13220373]

約数ペア:

[(1, 13220373), (3, 4406791), (17, 777669), (51, 259223), (53, 249441), (67, 197319), (73, 181101), (159, 83147), (201, 65773), (219, 60367), (901, 14673), (1139, 11607), (1241, 10653), (2703, 4891), (3417, 3869), (3551, 3723)]