1247916699

素因数分解:

$3^4\times {\mathrm{151}}^1\times {\mathrm{257}}^1\times {\mathrm{397}}^1$

素因数の和:817

約数の個数: 40

約数和(自身を含む): 1888564128

約数和(自身を除く): 640647429

約数列:

[1, 3, 9, 27, 81, 151, 257, 397, 453, 771, 1191, 1359, 2313, 3573, 4077, 6939, 10719, 12231, 20817, 32157, 38807, 59947, 102029, 116421, 179841, 306087, 349263, 539523, 918261, 1047789, 1618569, 2754783, 3143367, 4855707, 8264349, 15406379, 46219137, 138657411, 415972233, 1247916699]

約数ペア:

[(1, 1247916699), (3, 415972233), (9, 138657411), (27, 46219137), (81, 15406379), (151, 8264349), (257, 4855707), (397, 3143367), (453, 2754783), (771, 1618569), (1191, 1047789), (1359, 918261), (2313, 539523), (3573, 349263), (4077, 306087), (6939, 179841), (10719, 116421), (12231, 102029), (20817, 59947), (32157, 38807)]