28145829

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{8237}}^1$

素因数の和:8324

約数の個数: 16

約数和(自身を含む): 40333248

約数和(自身を除く): 12187419

約数列:

[1, 3, 17, 51, 67, 201, 1139, 3417, 8237, 24711, 140029, 420087, 551879, 1655637, 9381943, 28145829]

約数ペア:

[(1, 28145829), (3, 9381943), (17, 1655637), (51, 551879), (67, 420087), (201, 140029), (1139, 24711), (3417, 8237)]