71851563

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{16529}}^1$

素因数の和:16568

約数の個数: 32

約数和(自身を含む): 126950400

約数和(自身を除く): 55098837

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 189, 207, 483, 621, 1449, 4347, 16529, 49587, 115703, 148761, 347109, 380167, 446283, 1041327, 1140501, 2661169, 3123981, 3421503, 7983507, 10264509, 23950521, 71851563]

約数ペア:

[(1, 71851563), (3, 23950521), (7, 10264509), (9, 7983507), (21, 3421503), (23, 3123981), (27, 2661169), (63, 1140501), (69, 1041327), (161, 446283), (189, 380167), (207, 347109), (483, 148761), (621, 115703), (1449, 49587), (4347, 16529)]