80290899

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:257

約数の個数: 64

約数和(自身を含む): 135905280

約数和(自身を除く): 55614381

約数列:

[1, 3, 9, 13, 27, 31, 39, 47, 93, 117, 141, 157, 279, 351, 403, 423, 471, 611, 837, 1209, 1269, 1413, 1457, 1833, 2041, 3627, 4239, 4371, 4867, 5499, 6123, 7379, 10881, 13113, 14601, 16497, 18369, 18941, 22137, 39339, 43803, 55107, 56823, 63271, 66411, 95927, 131409, 170469, 189813, 199233, 228749, 287781, 511407, 569439, 686247, 863343, 1708317, 2058741, 2590029, 2973737, 6176223, 8921211, 26763633, 80290899]

約数ペア:

[(1, 80290899), (3, 26763633), (9, 8921211), (13, 6176223), (27, 2973737), (31, 2590029), (39, 2058741), (47, 1708317), (93, 863343), (117, 686247), (141, 569439), (157, 511407), (279, 287781), (351, 228749), (403, 199233), (423, 189813), (471, 170469), (611, 131409), (837, 95927), (1209, 66411), (1269, 63271), (1413, 56823), (1457, 55107), (1833, 43803), (2041, 39339), (3627, 22137), (4239, 18941), (4371, 18369), (4867, 16497), (5499, 14601), (6123, 13113), (7379, 10881)]