820531593

素因数分解:

$3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{1301}}^1$

素因数の和:1435

約数の個数: 64

約数和(自身を含む): 1439907840

約数和(自身を除く): 619376247

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 71, 141, 189, 213, 329, 423, 497, 639, 987, 1269, 1301, 1491, 1917, 2961, 3337, 3903, 4473, 8883, 9107, 10011, 11709, 13419, 23359, 27321, 30033, 35127, 61147, 70077, 81963, 90099, 92371, 183441, 210231, 245889, 277113, 428029, 550323, 630693, 646597, 831339, 1284087, 1650969, 1939791, 2494017, 3852261, 4341437, 5819373, 11556783, 13024311, 17458119, 30390059, 39072933, 91170177, 117218799, 273510531, 820531593]

約数ペア:

[(1, 820531593), (3, 273510531), (7, 117218799), (9, 91170177), (21, 39072933), (27, 30390059), (47, 17458119), (63, 13024311), (71, 11556783), (141, 5819373), (189, 4341437), (213, 3852261), (329, 2494017), (423, 1939791), (497, 1650969), (639, 1284087), (987, 831339), (1269, 646597), (1301, 630693), (1491, 550323), (1917, 428029), (2961, 277113), (3337, 245889), (3903, 210231), (4473, 183441), (8883, 92371), (9107, 90099), (10011, 81963), (11709, 70077), (13419, 61147), (23359, 35127), (27321, 30033)]