311292045

素因数分解:

$3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{691}}^1$

素因数の和:823

約数の個数: 64

約数和(自身を含む): 573972480

約数和(自身を除く): 262680435

約数列:

[1, 3, 5, 9, 15, 27, 45, 47, 71, 135, 141, 213, 235, 355, 423, 639, 691, 705, 1065, 1269, 1917, 2073, 2115, 3195, 3337, 3455, 6219, 6345, 9585, 10011, 10365, 16685, 18657, 30033, 31095, 32477, 49061, 50055, 90099, 93285, 97431, 147183, 150165, 162385, 245305, 292293, 441549, 450495, 487155, 735915, 876879, 1324647, 1461465, 2207745, 2305867, 4384395, 6623235, 6917601, 11529335, 20752803, 34588005, 62258409, 103764015, 311292045]

約数ペア:

[(1, 311292045), (3, 103764015), (5, 62258409), (9, 34588005), (15, 20752803), (27, 11529335), (45, 6917601), (47, 6623235), (71, 4384395), (135, 2305867), (141, 2207745), (213, 1461465), (235, 1324647), (355, 876879), (423, 735915), (639, 487155), (691, 450495), (705, 441549), (1065, 292293), (1269, 245305), (1917, 162385), (2073, 150165), (2115, 147183), (3195, 97431), (3337, 93285), (3455, 90099), (6219, 50055), (6345, 49061), (9585, 32477), (10011, 31095), (10365, 30033), (16685, 18657)]