28983759

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4273}}^1$

素因数の和:4319

約数の個数: 32

約数和(自身を含む): 49236480

約数和(自身を除く): 20252721

約数列:

[1, 3, 7, 17, 19, 21, 51, 57, 119, 133, 323, 357, 399, 969, 2261, 4273, 6783, 12819, 29911, 72641, 81187, 89733, 217923, 243561, 508487, 568309, 1380179, 1525461, 1704927, 4140537, 9661253, 28983759]

約数ペア:

[(1, 28983759), (3, 9661253), (7, 4140537), (17, 1704927), (19, 1525461), (21, 1380179), (51, 568309), (57, 508487), (119, 243561), (133, 217923), (323, 89733), (357, 81187), (399, 72641), (969, 29911), (2261, 12819), (4273, 6783)]