7278843

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{47}}^1$

素因数の和:112

約数の個数: 48

約数和(自身を含む): 12289536

約数和(自身を除く): 5010693

約数列:

[1, 3, 11, 13, 19, 33, 39, 47, 57, 141, 143, 209, 247, 361, 429, 517, 611, 627, 741, 893, 1083, 1551, 1833, 2679, 2717, 3971, 4693, 6721, 8151, 9823, 11609, 11913, 14079, 16967, 20163, 29469, 34827, 50901, 51623, 127699, 154869, 186637, 220571, 383097, 559911, 661713, 2426281, 7278843]

約数ペア:

[(1, 7278843), (3, 2426281), (11, 661713), (13, 559911), (19, 383097), (33, 220571), (39, 186637), (47, 154869), (57, 127699), (141, 51623), (143, 50901), (209, 34827), (247, 29469), (361, 20163), (429, 16967), (517, 14079), (611, 11913), (627, 11609), (741, 9823), (893, 8151), (1083, 6721), (1551, 4693), (1833, 3971), (2679, 2717)]