78991686

素因数分解:

$2^1\times 3^4\times {\mathrm{487603}}^1$

素因数の和:487617

約数の個数: 20

約数和(自身を含む): 177000252

約数和(自身を除く): 98008566

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 487603, 975206, 1462809, 2925618, 4388427, 8776854, 13165281, 26330562, 39495843, 78991686]

約数ペア:

[(1, 78991686), (2, 39495843), (3, 26330562), (6, 13165281), (9, 8776854), (18, 4388427), (27, 2925618), (54, 1462809), (81, 975206), (162, 487603)]