400018049343

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1987}}^1\times {\mathrm{9547}}^1$

素因数の和:11625

約数の個数: 64

約数和(自身を含む): 655998013440

約数和(自身を除く): 255979964097

約数列:

[1, 3, 9, 11, 27, 33, 71, 99, 213, 297, 639, 781, 1917, 1987, 2343, 5961, 7029, 9547, 17883, 21087, 21857, 28641, 53649, 65571, 85923, 105017, 141077, 196713, 257769, 315051, 423231, 590139, 677837, 945153, 1269693, 1551847, 2033511, 2835459, 3809079, 4655541, 6100533, 7456207, 13966623, 18301599, 18969889, 22368621, 41899869, 56909667, 67105863, 170729001, 201317589, 208668779, 512187003, 626006337, 1346862119, 1878019011, 4040586357, 5634057033, 12121759071, 14815483309, 36365277213, 44446449927, 133339349781, 400018049343]

約数ペア:

[(1, 400018049343), (3, 133339349781), (9, 44446449927), (11, 36365277213), (27, 14815483309), (33, 12121759071), (71, 5634057033), (99, 4040586357), (213, 1878019011), (297, 1346862119), (639, 626006337), (781, 512187003), (1917, 208668779), (1987, 201317589), (2343, 170729001), (5961, 67105863), (7029, 56909667), (9547, 41899869), (17883, 22368621), (21087, 18969889), (21857, 18301599), (28641, 13966623), (53649, 7456207), (65571, 6100533), (85923, 4655541), (105017, 3809079), (141077, 2835459), (196713, 2033511), (257769, 1551847), (315051, 1269693), (423231, 945153), (590139, 677837)]