81030558

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{7507}}^1$

素因数の和:7776

約数の個数: 32

約数和(自身を含む): 185958144

約数和(自身を除く): 104927586

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 257, 514, 771, 1542, 1799, 3598, 5397, 7507, 10794, 15014, 22521, 45042, 52549, 105098, 157647, 315294, 1929299, 3858598, 5787897, 11575794, 13505093, 27010186, 40515279, 81030558]

約数ペア:

[(1, 81030558), (2, 40515279), (3, 27010186), (6, 13505093), (7, 11575794), (14, 5787897), (21, 3858598), (42, 1929299), (257, 315294), (514, 157647), (771, 105098), (1542, 52549), (1799, 45042), (3598, 22521), (5397, 15014), (7507, 10794)]