428571897

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{229}}^1\times {\mathrm{1021}}^1$

素因数の和:1313

約数の個数: 32

約数和(自身を含む): 631841280

約数和(自身を除く): 203269383

約数列:

[1, 3, 13, 39, 47, 141, 229, 611, 687, 1021, 1833, 2977, 3063, 8931, 10763, 13273, 32289, 39819, 47987, 139919, 143961, 233809, 419757, 623831, 701427, 1871493, 3039517, 9118551, 10989023, 32967069, 142857299, 428571897]

約数ペア:

[(1, 428571897), (3, 142857299), (13, 32967069), (39, 10989023), (47, 9118551), (141, 3039517), (229, 1871493), (611, 701427), (687, 623831), (1021, 419757), (1833, 233809), (2977, 143961), (3063, 139919), (8931, 47987), (10763, 39819), (13273, 32289)]