647966142

素因数分解:

$2^1\times 3^4\times {\mathrm{3999791}}^1$

素因数の和:3999805

約数の個数: 20

約数和(自身を含む): 1451924496

約数和(自身を除く): 803958354

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 3999791, 7999582, 11999373, 23998746, 35998119, 71996238, 107994357, 215988714, 323983071, 647966142]

約数ペア:

[(1, 647966142), (2, 323983071), (3, 215988714), (6, 107994357), (9, 71996238), (18, 35998119), (27, 23998746), (54, 11999373), (81, 7999582), (162, 3999791)]