2521015

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1$

素因数の和:271

約数の個数: 32

約数和(自身を含む): 3870720

約数和(自身を除く): 1349705

約数列:

[1, 5, 7, 17, 19, 35, 85, 95, 119, 133, 223, 323, 595, 665, 1115, 1561, 1615, 2261, 3791, 4237, 7805, 11305, 18955, 21185, 26537, 29659, 72029, 132685, 148295, 360145, 504203, 2521015]

約数ペア:

[(1, 2521015), (5, 504203), (7, 360145), (17, 148295), (19, 132685), (35, 72029), (85, 29659), (95, 26537), (119, 21185), (133, 18955), (223, 11305), (323, 7805), (595, 4237), (665, 3791), (1115, 2261), (1561, 1615)]