19710915

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1433}}^1$

素因数の和:1579

約数の個数: 32

約数和(自身を含む): 36343296

約数和(自身を除く): 16632381

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 131, 393, 655, 917, 1433, 1965, 2751, 4299, 4585, 7165, 10031, 13755, 21495, 30093, 50155, 150465, 187723, 563169, 938615, 1314061, 2815845, 3942183, 6570305, 19710915]

約数ペア:

[(1, 19710915), (3, 6570305), (5, 3942183), (7, 2815845), (15, 1314061), (21, 938615), (35, 563169), (105, 187723), (131, 150465), (393, 50155), (655, 30093), (917, 21495), (1433, 13755), (1965, 10031), (2751, 7165), (4299, 4585)]