12150215

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{151}}^1$

素因数の和:204

約数の個数: 48

約数和(自身を含む): 19407360

約数和(自身を除く): 7257145

約数列:

[1, 5, 7, 11, 19, 35, 55, 77, 95, 121, 133, 151, 209, 385, 605, 665, 755, 847, 1045, 1057, 1463, 1661, 2299, 2869, 4235, 5285, 7315, 8305, 11495, 11627, 14345, 16093, 18271, 20083, 31559, 58135, 80465, 91355, 100415, 127897, 157795, 220913, 347149, 639485, 1104565, 1735745, 2430043, 12150215]

約数ペア:

[(1, 12150215), (5, 2430043), (7, 1735745), (11, 1104565), (19, 639485), (35, 347149), (55, 220913), (77, 157795), (95, 127897), (121, 100415), (133, 91355), (151, 80465), (209, 58135), (385, 31559), (605, 20083), (665, 18271), (755, 16093), (847, 14345), (1045, 11627), (1057, 11495), (1463, 8305), (1661, 7315), (2299, 5285), (2869, 4235)]