19970055

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{63397}}^1$

素因数の和:63415

約数の個数: 24

約数和(自身を含む): 39560352

約数和(自身を除く): 19590297

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 63397, 190191, 316985, 443779, 570573, 950955, 1331337, 2218895, 2852865, 3994011, 6656685, 19970055]

約数ペア:

[(1, 19970055), (3, 6656685), (5, 3994011), (7, 2852865), (9, 2218895), (15, 1331337), (21, 950955), (35, 570573), (45, 443779), (63, 316985), (105, 190191), (315, 63397)]