320424897

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{5639}}^1$

素因数の和:5733

約数の個数: 32

約数和(自身を含む): 485130240

約数和(自身を除く): 164705343

約数列:

[1, 3, 13, 31, 39, 47, 93, 141, 403, 611, 1209, 1457, 1833, 4371, 5639, 16917, 18941, 56823, 73307, 174809, 219921, 265033, 524427, 795099, 2272517, 3445429, 6817551, 8216023, 10336287, 24648069, 106808299, 320424897]

約数ペア:

[(1, 320424897), (3, 106808299), (13, 24648069), (31, 10336287), (39, 8216023), (47, 6817551), (93, 3445429), (141, 2272517), (403, 795099), (611, 524427), (1209, 265033), (1457, 219921), (1833, 174809), (4371, 73307), (5639, 56823), (16917, 18941)]