31675293

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{271}}^1$

素因数の和:336

約数の個数: 48

約数和(自身を含む): 52672256

約数和(自身を除く): 20996963

約数列:

[1, 3, 9, 13, 27, 37, 39, 81, 111, 117, 243, 271, 333, 351, 481, 813, 999, 1053, 1443, 2439, 2997, 3159, 3523, 4329, 7317, 8991, 10027, 10569, 12987, 21951, 30081, 31707, 38961, 65853, 90243, 95121, 116883, 130351, 270729, 285363, 391053, 812187, 856089, 1173159, 2436561, 3519477, 10558431, 31675293]

約数ペア:

[(1, 31675293), (3, 10558431), (9, 3519477), (13, 2436561), (27, 1173159), (37, 856089), (39, 812187), (81, 391053), (111, 285363), (117, 270729), (243, 130351), (271, 116883), (333, 95121), (351, 90243), (481, 65853), (813, 38961), (999, 31707), (1053, 30081), (1443, 21951), (2439, 12987), (2997, 10569), (3159, 10027), (3523, 8991), (4329, 7317)]