81562839

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{307}}^1$

素因数の和:467

約数の個数: 32

約数和(自身を含む): 118272000

約数和(自身を除く): 36709161

約数列:

[1, 3, 19, 57, 59, 79, 177, 237, 307, 921, 1121, 1501, 3363, 4503, 4661, 5833, 13983, 17499, 18113, 24253, 54339, 72759, 88559, 265677, 344147, 460807, 1032441, 1382421, 1430927, 4292781, 27187613, 81562839]

約数ペア:

[(1, 81562839), (3, 27187613), (19, 4292781), (57, 1430927), (59, 1382421), (79, 1032441), (177, 460807), (237, 344147), (307, 265677), (921, 88559), (1121, 72759), (1501, 54339), (3363, 24253), (4503, 18113), (4661, 17499), (5833, 13983)]