61378569

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1091}}^1$

素因数の和:1170

約数の個数: 48

約数和(自身を含む): 109025280

約数和(自身を除く): 47646711

約数列:

[1, 3, 7, 9, 19, 21, 47, 57, 63, 133, 141, 171, 329, 399, 423, 893, 987, 1091, 1197, 2679, 2961, 3273, 6251, 7637, 8037, 9819, 18753, 20729, 22911, 51277, 56259, 62187, 68733, 145103, 153831, 186561, 358939, 435309, 461493, 974263, 1076817, 1305927, 2922789, 3230451, 6819841, 8768367, 20459523, 61378569]

約数ペア:

[(1, 61378569), (3, 20459523), (7, 8768367), (9, 6819841), (19, 3230451), (21, 2922789), (47, 1305927), (57, 1076817), (63, 974263), (133, 461493), (141, 435309), (171, 358939), (329, 186561), (399, 153831), (423, 145103), (893, 68733), (987, 62187), (1091, 56259), (1197, 51277), (2679, 22911), (2961, 20729), (3273, 18753), (6251, 9819), (7637, 8037)]