28703793

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{167}}^1$

素因数の和:293

約数の個数: 32

約数和(自身を含む): 41803776

約数和(自身を除く): 13099983

約数列:

[1, 3, 23, 47, 53, 69, 141, 159, 167, 501, 1081, 1219, 2491, 3243, 3657, 3841, 7473, 7849, 8851, 11523, 23547, 26553, 57293, 171879, 180527, 203573, 415997, 541581, 610719, 1247991, 9567931, 28703793]

約数ペア:

[(1, 28703793), (3, 9567931), (23, 1247991), (47, 610719), (53, 541581), (69, 415997), (141, 203573), (159, 180527), (167, 171879), (501, 57293), (1081, 26553), (1219, 23547), (2491, 11523), (3243, 8851), (3657, 7849), (3841, 7473)]