31922991

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{239}}^1$

素因数の和:365

約数の個数: 40

約数和(自身を含む): 51226560

約数和(自身を除く): 19303569

約数列:

[1, 3, 9, 17, 27, 51, 81, 97, 153, 239, 291, 459, 717, 873, 1377, 1649, 2151, 2619, 4063, 4947, 6453, 7857, 12189, 14841, 19359, 23183, 36567, 44523, 69549, 109701, 133569, 208647, 329103, 394111, 625941, 1182333, 1877823, 3546999, 10640997, 31922991]

約数ペア:

[(1, 31922991), (3, 10640997), (9, 3546999), (17, 1877823), (27, 1182333), (51, 625941), (81, 394111), (97, 329103), (153, 208647), (239, 133569), (291, 109701), (459, 69549), (717, 44523), (873, 36567), (1377, 23183), (1649, 19359), (2151, 14841), (2619, 12189), (4063, 7857), (4947, 6453)]