28400679

素因数分解:

$3^3\times {\mathrm{631}}^1\times {\mathrm{1667}}^1$

素因数の和:2307

約数の個数: 16

約数和(自身を含む): 42167040

約数和(自身を除く): 13766361

約数列:

[1, 3, 9, 27, 631, 1667, 1893, 5001, 5679, 15003, 17037, 45009, 1051877, 3155631, 9466893, 28400679]

約数ペア:

[(1, 28400679), (3, 9466893), (9, 3155631), (27, 1051877), (631, 45009), (1667, 17037), (1893, 15003), (5001, 5679)]