12938415

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{827}}^1$

素因数の和:991

約数の個数: 32

約数和(自身を含む): 23846400

約数和(自身を除く): 10907985

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 149, 447, 745, 827, 1043, 2235, 2481, 3129, 4135, 5215, 5789, 12405, 15645, 17367, 28945, 86835, 123223, 369669, 616115, 862561, 1848345, 2587683, 4312805, 12938415]

約数ペア:

[(1, 12938415), (3, 4312805), (5, 2587683), (7, 1848345), (15, 862561), (21, 616115), (35, 369669), (105, 123223), (149, 86835), (447, 28945), (745, 17367), (827, 15645), (1043, 12405), (2235, 5789), (2481, 5215), (3129, 4135)]