28454223

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{227}}^1$

素因数の和:411

約数の個数: 32

約数和(自身を含む): 44826624

約数和(自身を除く): 16372401

約数列:

[1, 3, 7, 21, 47, 127, 141, 227, 329, 381, 681, 889, 987, 1589, 2667, 4767, 5969, 10669, 17907, 28829, 32007, 41783, 74683, 86487, 125349, 201803, 224049, 605409, 1354963, 4064889, 9484741, 28454223]

約数ペア:

[(1, 28454223), (3, 9484741), (7, 4064889), (21, 1354963), (47, 605409), (127, 224049), (141, 201803), (227, 125349), (329, 86487), (381, 74683), (681, 41783), (889, 32007), (987, 28829), (1589, 17907), (2667, 10669), (4767, 5969)]