28545561

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{431}}^1$

素因数の和:674

約数の個数: 32

約数和(自身を含む): 46448640

約数和(自身を除く): 17903079

約数列:

[1, 3, 9, 11, 27, 33, 99, 223, 297, 431, 669, 1293, 2007, 2453, 3879, 4741, 6021, 7359, 11637, 14223, 22077, 42669, 66231, 96113, 128007, 288339, 865017, 1057243, 2595051, 3171729, 9515187, 28545561]

約数ペア:

[(1, 28545561), (3, 9515187), (9, 3171729), (11, 2595051), (27, 1057243), (33, 865017), (99, 288339), (223, 128007), (297, 96113), (431, 66231), (669, 42669), (1293, 22077), (2007, 14223), (2453, 11637), (3879, 7359), (4741, 6021)]