81294885

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{631}}^1$

素因数の和:1058

約数の個数: 48

約数和(自身を含む): 161690880

約数和(自身を除く): 80395995

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 409, 631, 1227, 1893, 2045, 2863, 3155, 3681, 4417, 5679, 6135, 8589, 9465, 13251, 14315, 18405, 22085, 25767, 28395, 39753, 42945, 66255, 128835, 198765, 258079, 774237, 1290395, 1806553, 2322711, 3871185, 5419659, 9032765, 11613555, 16258977, 27098295, 81294885]

約数ペア:

[(1, 81294885), (3, 27098295), (5, 16258977), (7, 11613555), (9, 9032765), (15, 5419659), (21, 3871185), (35, 2322711), (45, 1806553), (63, 1290395), (105, 774237), (315, 258079), (409, 198765), (631, 128835), (1227, 66255), (1893, 42945), (2045, 39753), (2863, 28395), (3155, 25767), (3681, 22085), (4417, 18405), (5679, 14315), (6135, 13251), (8589, 9465)]