212866101

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{1091}}^1$

素因数の和:1286

約数の個数: 48

約数和(自身を含む): 372503040

約数和(自身を除く): 159636939

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 163, 171, 399, 489, 1091, 1141, 1197, 1467, 3097, 3273, 3423, 7637, 9291, 9819, 10269, 20729, 21679, 22911, 27873, 62187, 65037, 68733, 145103, 177833, 186561, 195111, 435309, 533499, 1244831, 1305927, 1600497, 3378827, 3734493, 10136481, 11203479, 23651789, 30409443, 70955367, 212866101]

約数ペア:

[(1, 212866101), (3, 70955367), (7, 30409443), (9, 23651789), (19, 11203479), (21, 10136481), (57, 3734493), (63, 3378827), (133, 1600497), (163, 1305927), (171, 1244831), (399, 533499), (489, 435309), (1091, 195111), (1141, 186561), (1197, 177833), (1467, 145103), (3097, 68733), (3273, 65037), (3423, 62187), (7637, 27873), (9291, 22911), (9819, 21679), (10269, 20729)]