28905723

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{787}}^1$

素因数の和:864

約数の個数: 48

約数和(自身を含む): 53104896

約数和(自身を除く): 24199173

約数列:

[1, 3, 7, 9, 11, 21, 33, 53, 63, 77, 99, 159, 231, 371, 477, 583, 693, 787, 1113, 1749, 2361, 3339, 4081, 5247, 5509, 7083, 8657, 12243, 16527, 25971, 36729, 41711, 49581, 60599, 77913, 125133, 181797, 291977, 375399, 458821, 545391, 875931, 1376463, 2627793, 3211747, 4129389, 9635241, 28905723]

約数ペア:

[(1, 28905723), (3, 9635241), (7, 4129389), (9, 3211747), (11, 2627793), (21, 1376463), (33, 875931), (53, 545391), (63, 458821), (77, 375399), (99, 291977), (159, 181797), (231, 125133), (371, 77913), (477, 60599), (583, 49581), (693, 41711), (787, 36729), (1113, 25971), (1749, 16527), (2361, 12243), (3339, 8657), (4081, 7083), (5247, 5509)]