28142961

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{5297}}^1$

素因数の和:5341

約数の個数: 32

約数和(自身を含む): 48826368

約数和(自身を除く): 20683407

約数列:

[1, 3, 7, 11, 21, 23, 33, 69, 77, 161, 231, 253, 483, 759, 1771, 5297, 5313, 15891, 37079, 58267, 111237, 121831, 174801, 365493, 407869, 852817, 1223607, 1340141, 2558451, 4020423, 9380987, 28142961]

約数ペア:

[(1, 28142961), (3, 9380987), (7, 4020423), (11, 2558451), (21, 1340141), (23, 1223607), (33, 852817), (69, 407869), (77, 365493), (161, 174801), (231, 121831), (253, 111237), (483, 58267), (759, 37079), (1771, 15891), (5297, 5313)]