211234569

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{1949}}^1$

素因数の和:2369

約数の個数: 32

約数和(自身を含む): 347692800

約数和(自身を除く): 136458231

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 397, 1191, 1949, 2779, 5161, 5847, 8337, 13643, 15483, 25337, 36127, 40929, 76011, 108381, 177359, 532077, 773753, 2321259, 5416271, 10058789, 16248813, 30176367, 70411523, 211234569]

約数ペア:

[(1, 211234569), (3, 70411523), (7, 30176367), (13, 16248813), (21, 10058789), (39, 5416271), (91, 2321259), (273, 773753), (397, 532077), (1191, 177359), (1949, 108381), (2779, 76011), (5161, 40929), (5847, 36127), (8337, 25337), (13643, 15483)]