28948227

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{1109}}^1$

素因数の和:1243

約数の個数: 32

約数和(自身を含む): 48591360

約数和(自身を除く): 19643133

約数列:

[1, 3, 7, 11, 21, 33, 77, 113, 231, 339, 791, 1109, 1243, 2373, 3327, 3729, 7763, 8701, 12199, 23289, 26103, 36597, 85393, 125317, 256179, 375951, 877219, 1378487, 2631657, 4135461, 9649409, 28948227]

約数ペア:

[(1, 28948227), (3, 9649409), (7, 4135461), (11, 2631657), (21, 1378487), (33, 877219), (77, 375951), (113, 256179), (231, 125317), (339, 85393), (791, 36597), (1109, 26103), (1243, 23289), (2373, 12199), (3327, 8701), (3729, 7763)]