19970475

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{38039}}^1$

素因数の和:38059

約数の個数: 24

約数和(自身を含む): 37735680

約数和(自身を除く): 17765205

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 525, 38039, 114117, 190195, 266273, 570585, 798819, 950975, 1331365, 2852925, 3994095, 6656825, 19970475]

約数ペア:

[(1, 19970475), (3, 6656825), (5, 3994095), (7, 2852925), (15, 1331365), (21, 950975), (25, 798819), (35, 570585), (75, 266273), (105, 190195), (175, 114117), (525, 38039)]