6989229

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:138

約数の個数: 48

約数和(自身を含む): 11741184

約数和(自身を除く): 4751955

約数列:

[1, 3, 9, 13, 31, 39, 41, 47, 93, 117, 123, 141, 279, 369, 403, 423, 533, 611, 1209, 1271, 1457, 1599, 1833, 1927, 3627, 3813, 4371, 4797, 5499, 5781, 11439, 13113, 16523, 17343, 18941, 25051, 49569, 56823, 59737, 75153, 148707, 170469, 179211, 225459, 537633, 776581, 2329743, 6989229]

約数ペア:

[(1, 6989229), (3, 2329743), (9, 776581), (13, 537633), (31, 225459), (39, 179211), (41, 170469), (47, 148707), (93, 75153), (117, 59737), (123, 56823), (141, 49569), (279, 25051), (369, 18941), (403, 17343), (423, 16523), (533, 13113), (611, 11439), (1209, 5781), (1271, 5499), (1457, 4797), (1599, 4371), (1833, 3813), (1927, 3627)]