812851221

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{10987}}^1$

素因数の和:11281

約数の個数: 32

約数和(自身を含む): 1338953728

約数和(自身を除く): 526102507

約数列:

[1, 3, 7, 13, 21, 39, 91, 271, 273, 813, 1897, 3523, 5691, 10569, 10987, 24661, 32961, 73983, 76909, 142831, 230727, 428493, 999817, 2977477, 2999451, 8932431, 20842339, 38707201, 62527017, 116121603, 270950407, 812851221]

約数ペア:

[(1, 812851221), (3, 270950407), (7, 116121603), (13, 62527017), (21, 38707201), (39, 20842339), (91, 8932431), (271, 2999451), (273, 2977477), (813, 999817), (1897, 428493), (3523, 230727), (5691, 142831), (10569, 76909), (10987, 73983), (24661, 32961)]