81915582

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{6353}}^1$

素因数の和:6672

約数の個数: 32

約数和(自身を含む): 187875072

約数和(自身を除く): 105959490

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 307, 614, 921, 1842, 2149, 4298, 6353, 6447, 12706, 12894, 19059, 38118, 44471, 88942, 133413, 266826, 1950371, 3900742, 5851113, 11702226, 13652597, 27305194, 40957791, 81915582]

約数ペア:

[(1, 81915582), (2, 40957791), (3, 27305194), (6, 13652597), (7, 11702226), (14, 5851113), (21, 3900742), (42, 1950371), (307, 266826), (614, 133413), (921, 88942), (1842, 44471), (2149, 38118), (4298, 19059), (6353, 12894), (6447, 12706)]