23640705

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{293}}^1$

素因数の和:478

約数の個数: 48

約数和(自身を含む): 45130176

約数和(自身を除く): 21489471

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 163, 165, 293, 489, 495, 815, 879, 1465, 1467, 1793, 2445, 2637, 3223, 4395, 5379, 7335, 8965, 9669, 13185, 16115, 16137, 26895, 29007, 47759, 48345, 80685, 143277, 145035, 238795, 429831, 525349, 716385, 1576047, 2149155, 2626745, 4728141, 7880235, 23640705]

約数ペア:

[(1, 23640705), (3, 7880235), (5, 4728141), (9, 2626745), (11, 2149155), (15, 1576047), (33, 716385), (45, 525349), (55, 429831), (99, 238795), (163, 145035), (165, 143277), (293, 80685), (489, 48345), (495, 47759), (815, 29007), (879, 26895), (1465, 16137), (1467, 16115), (1793, 13185), (2445, 9669), (2637, 8965), (3223, 7335), (4395, 5379)]