28400877

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{541}}^1$

素因数の和:873

約数の個数: 24

約数和(自身を含む): 43403360

約数和(自身を除く): 15002483

約数列:

[1, 3, 9, 19, 57, 171, 307, 541, 921, 1623, 2763, 4869, 5833, 10279, 17499, 30837, 52497, 92511, 166087, 498261, 1494783, 3155653, 9466959, 28400877]

約数ペア:

[(1, 28400877), (3, 9466959), (9, 3155653), (19, 1494783), (57, 498261), (171, 166087), (307, 92511), (541, 52497), (921, 30837), (1623, 17499), (2763, 10279), (4869, 5833)]