31406895

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1451}}^1$

素因数の和:1512

約数の個数: 48

約数和(自身を含む): 60252192

約数和(自身を除く): 28845297

約数列:

[1, 3, 5, 9, 13, 15, 37, 39, 45, 65, 111, 117, 185, 195, 333, 481, 555, 585, 1443, 1451, 1665, 2405, 4329, 4353, 7215, 7255, 13059, 18863, 21645, 21765, 53687, 56589, 65295, 94315, 161061, 169767, 268435, 282945, 483183, 697931, 805305, 848835, 2093793, 2415915, 3489655, 6281379, 10468965, 31406895]

約数ペア:

[(1, 31406895), (3, 10468965), (5, 6281379), (9, 3489655), (13, 2415915), (15, 2093793), (37, 848835), (39, 805305), (45, 697931), (65, 483183), (111, 282945), (117, 268435), (185, 169767), (195, 161061), (333, 94315), (481, 65295), (555, 56589), (585, 53687), (1443, 21765), (1451, 21645), (1665, 18863), (2405, 13059), (4329, 7255), (4353, 7215)]