309968337

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{16529}}^1$

素因数の和:16605

約数の個数: 32

約数和(自身を含む): 507801600

約数和(自身を除く): 197833263

約数列:

[1, 3, 7, 19, 21, 47, 57, 133, 141, 329, 399, 893, 987, 2679, 6251, 16529, 18753, 49587, 115703, 314051, 347109, 776863, 942153, 2198357, 2330589, 5438041, 6595071, 14760397, 16314123, 44281191, 103322779, 309968337]

約数ペア:

[(1, 309968337), (3, 103322779), (7, 44281191), (19, 16314123), (21, 14760397), (47, 6595071), (57, 5438041), (133, 2330589), (141, 2198357), (329, 942153), (399, 776863), (893, 347109), (987, 314051), (2679, 115703), (6251, 49587), (16529, 18753)]