3917781

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1091}}^1$

素因数の和:1126

約数の個数: 32

約数和(自身を含む): 6988800

約数和(自身を除く): 3071019

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 399, 513, 1091, 1197, 3273, 3591, 7637, 9819, 20729, 22911, 29457, 62187, 68733, 145103, 186561, 206199, 435309, 559683, 1305927, 3917781]

約数ペア:

[(1, 3917781), (3, 1305927), (7, 559683), (9, 435309), (19, 206199), (21, 186561), (27, 145103), (57, 68733), (63, 62187), (133, 29457), (171, 22911), (189, 20729), (399, 9819), (513, 7637), (1091, 3591), (1197, 3273)]