208031019

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{353}}^1$

素因数の和:600

約数の個数: 48

約数和(自身を含む): 342218880

約数和(自身を除く): 134187861

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 211, 353, 399, 633, 931, 1059, 1477, 2471, 2793, 4009, 4431, 6707, 7413, 10339, 12027, 17297, 20121, 28063, 31017, 46949, 51891, 74483, 84189, 140847, 196441, 223449, 328643, 521381, 589323, 985929, 1415177, 1564143, 3649667, 4245531, 9906239, 10949001, 29718717, 69343673, 208031019]

約数ペア:

[(1, 208031019), (3, 69343673), (7, 29718717), (19, 10949001), (21, 9906239), (49, 4245531), (57, 3649667), (133, 1564143), (147, 1415177), (211, 985929), (353, 589323), (399, 521381), (633, 328643), (931, 223449), (1059, 196441), (1477, 140847), (2471, 84189), (2793, 74483), (4009, 51891), (4431, 46949), (6707, 31017), (7413, 28063), (10339, 20121), (12027, 17297)]