28932981

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{617}}^1$

素因数の和:674

約数の個数: 48

約数和(自身を含む): 50725440

約数和(自身を除く): 21792459

約数列:

[1, 3, 7, 11, 21, 29, 33, 49, 77, 87, 147, 203, 231, 319, 539, 609, 617, 957, 1421, 1617, 1851, 2233, 4263, 4319, 6699, 6787, 12957, 15631, 17893, 20361, 30233, 46893, 47509, 53679, 90699, 125251, 142527, 196823, 332563, 375753, 590469, 876757, 997689, 1377761, 2630271, 4133283, 9644327, 28932981]

約数ペア:

[(1, 28932981), (3, 9644327), (7, 4133283), (11, 2630271), (21, 1377761), (29, 997689), (33, 876757), (49, 590469), (77, 375753), (87, 332563), (147, 196823), (203, 142527), (231, 125251), (319, 90699), (539, 53679), (609, 47509), (617, 46893), (957, 30233), (1421, 20361), (1617, 17893), (1851, 15631), (2233, 12957), (4263, 6787), (4319, 6699)]