280806561

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^2\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:200

約数の個数: 96

約数和(自身を含む): 519886080

約数和(自身を除く): 239079519

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 53, 63, 97, 119, 153, 159, 189, 289, 291, 357, 371, 459, 477, 679, 867, 873, 901, 1071, 1113, 1431, 1649, 2023, 2037, 2601, 2619, 2703, 3213, 3339, 4947, 5141, 6069, 6111, 6307, 7803, 8109, 10017, 11543, 14841, 15317, 15423, 18207, 18333, 18921, 24327, 28033, 34629, 35987, 44523, 45951, 46269, 54621, 56763, 84099, 87397, 103887, 107219, 107961, 137853, 138807, 170289, 196231, 252297, 262191, 311661, 321657, 323883, 413559, 588693, 611779, 756891, 786573, 964971, 971649, 1485749, 1766079, 1835337, 2359719, 2894913, 4457247, 5298237, 5506011, 10400243, 13371741, 16518033, 31200729, 40115223, 93602187, 280806561]

約数ペア:

[(1, 280806561), (3, 93602187), (7, 40115223), (9, 31200729), (17, 16518033), (21, 13371741), (27, 10400243), (51, 5506011), (53, 5298237), (63, 4457247), (97, 2894913), (119, 2359719), (153, 1835337), (159, 1766079), (189, 1485749), (289, 971649), (291, 964971), (357, 786573), (371, 756891), (459, 611779), (477, 588693), (679, 413559), (867, 323883), (873, 321657), (901, 311661), (1071, 262191), (1113, 252297), (1431, 196231), (1649, 170289), (2023, 138807), (2037, 137853), (2601, 107961), (2619, 107219), (2703, 103887), (3213, 87397), (3339, 84099), (4947, 56763), (5141, 54621), (6069, 46269), (6111, 45951), (6307, 44523), (7803, 35987), (8109, 34629), (10017, 28033), (11543, 24327), (14841, 18921), (15317, 18333), (15423, 18207)]