247805217

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{751}}^1$

素因数の和:883

約数の個数: 48

約数和(自身を含む): 408065280

約数和(自身を除く): 160260063

約数列:

[1, 3, 9, 11, 27, 33, 99, 101, 121, 297, 303, 363, 751, 909, 1089, 1111, 2253, 2727, 3267, 3333, 6759, 8261, 9999, 12221, 20277, 24783, 29997, 36663, 74349, 75851, 90871, 109989, 223047, 227553, 272613, 329967, 682659, 817839, 834361, 2047977, 2453517, 2503083, 7509249, 9177971, 22527747, 27533913, 82601739, 247805217]

約数ペア:

[(1, 247805217), (3, 82601739), (9, 27533913), (11, 22527747), (27, 9177971), (33, 7509249), (99, 2503083), (101, 2453517), (121, 2047977), (297, 834361), (303, 817839), (363, 682659), (751, 329967), (909, 272613), (1089, 227553), (1111, 223047), (2253, 109989), (2727, 90871), (3267, 75851), (3333, 74349), (6759, 36663), (8261, 29997), (9999, 24783), (12221, 20277)]