28428477

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17581}}^1$

素因数の和:17609

約数の個数: 24

約数和(自身を含む): 48104352

約数和(自身を除く): 19675875

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 17581, 52743, 123067, 193391, 369201, 580173, 861469, 1353737, 2584407, 4061211, 9476159, 28428477]

約数ペア:

[(1, 28428477), (3, 9476159), (7, 4061211), (11, 2584407), (21, 1353737), (33, 861469), (49, 580173), (77, 369201), (147, 193391), (231, 123067), (539, 52743), (1617, 17581)]