81105654

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{44909}}^1$

素因数の和:44964

約数の個数: 32

約数和(自身を含む): 189699840

約数和(自身を除く): 108594186

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 86, 129, 258, 301, 602, 903, 1806, 44909, 89818, 134727, 269454, 314363, 628726, 943089, 1886178, 1931087, 3862174, 5793261, 11586522, 13517609, 27035218, 40552827, 81105654]

約数ペア:

[(1, 81105654), (2, 40552827), (3, 27035218), (6, 13517609), (7, 11586522), (14, 5793261), (21, 3862174), (42, 1931087), (43, 1886178), (86, 943089), (129, 628726), (258, 314363), (301, 269454), (602, 134727), (903, 89818), (1806, 44909)]