42657489

素因数分解:

$3^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1697}}^1$

素因数の和:1739

約数の個数: 48

約数和(自身を含む): 77428800

約数和(自身を除く): 34771311

約数列:

[1, 3, 7, 9, 19, 21, 27, 49, 57, 63, 133, 147, 171, 189, 399, 441, 513, 931, 1197, 1323, 1697, 2793, 3591, 5091, 8379, 11879, 15273, 25137, 32243, 35637, 45819, 83153, 96729, 106911, 225701, 249459, 290187, 320733, 677103, 748377, 870561, 1579907, 2031309, 2245131, 4739721, 6093927, 14219163, 42657489]

約数ペア:

[(1, 42657489), (3, 14219163), (7, 6093927), (9, 4739721), (19, 2245131), (21, 2031309), (27, 1579907), (49, 870561), (57, 748377), (63, 677103), (133, 320733), (147, 290187), (171, 249459), (189, 225701), (399, 106911), (441, 96729), (513, 83153), (931, 45819), (1197, 35637), (1323, 32243), (1697, 25137), (2793, 15273), (3591, 11879), (5091, 8379)]