81222858

素因数分解:

$2^1\times 3^3\times {\mathrm{521}}^1\times {\mathrm{2887}}^1$

素因数の和:3419

約数の個数: 32

約数和(自身を含む): 180904320

約数和(自身を除く): 99681462

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 521, 1042, 1563, 2887, 3126, 4689, 5774, 8661, 9378, 14067, 17322, 25983, 28134, 51966, 77949, 155898, 1504127, 3008254, 4512381, 9024762, 13537143, 27074286, 40611429, 81222858]

約数ペア:

[(1, 81222858), (2, 40611429), (3, 27074286), (6, 13537143), (9, 9024762), (18, 4512381), (27, 3008254), (54, 1504127), (521, 155898), (1042, 77949), (1563, 51966), (2887, 28134), (3126, 25983), (4689, 17322), (5774, 14067), (8661, 9378)]