28277307

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{421}}^1\times {\mathrm{439}}^1$

素因数の和:883

約数の個数: 24

約数和(自身を含む): 43449120

約数和(自身を除く): 15171813

約数列:

[1, 3, 9, 17, 51, 153, 421, 439, 1263, 1317, 3789, 3951, 7157, 7463, 21471, 22389, 64413, 67167, 184819, 554457, 1663371, 3141923, 9425769, 28277307]

約数ペア:

[(1, 28277307), (3, 9425769), (9, 3141923), (17, 1663371), (51, 554457), (153, 184819), (421, 67167), (439, 64413), (1263, 22389), (1317, 21471), (3789, 7463), (3951, 7157)]