8705385

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{647}}^1$

素因数の和:694

約数の個数: 48

約数和(自身を含む): 16982784

約数和(自身を除く): 8277399

約数列:

[1, 3, 5, 9, 13, 15, 23, 39, 45, 65, 69, 115, 117, 195, 207, 299, 345, 585, 647, 897, 1035, 1495, 1941, 2691, 3235, 4485, 5823, 8411, 9705, 13455, 14881, 25233, 29115, 42055, 44643, 74405, 75699, 126165, 133929, 193453, 223215, 378495, 580359, 669645, 967265, 1741077, 2901795, 8705385]

約数ペア:

[(1, 8705385), (3, 2901795), (5, 1741077), (9, 967265), (13, 669645), (15, 580359), (23, 378495), (39, 223215), (45, 193453), (65, 133929), (69, 126165), (115, 75699), (117, 74405), (195, 44643), (207, 42055), (299, 29115), (345, 25233), (585, 14881), (647, 13455), (897, 9705), (1035, 8411), (1495, 5823), (1941, 4485), (2691, 3235)]