2745366981

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1\times {\mathrm{659}}^1$

素因数の和:938

約数の個数: 64

約数和(自身を含む): 4516300800

約数和(自身を除く): 1770933819

約数列:

[1, 3, 7, 19, 21, 53, 57, 133, 159, 197, 371, 399, 591, 659, 1007, 1113, 1379, 1977, 3021, 3743, 4137, 4613, 7049, 10441, 11229, 12521, 13839, 21147, 26201, 31323, 34927, 37563, 73087, 78603, 87647, 104781, 129823, 198379, 219261, 244489, 262941, 389469, 595137, 663613, 733467, 908761, 1388653, 1990839, 2466637, 2726283, 4165959, 4645291, 6880619, 7399911, 13935873, 17266459, 20641857, 48164333, 51799377, 130731761, 144492999, 392195283, 915122327, 2745366981]

約数ペア:

[(1, 2745366981), (3, 915122327), (7, 392195283), (19, 144492999), (21, 130731761), (53, 51799377), (57, 48164333), (133, 20641857), (159, 17266459), (197, 13935873), (371, 7399911), (399, 6880619), (591, 4645291), (659, 4165959), (1007, 2726283), (1113, 2466637), (1379, 1990839), (1977, 1388653), (3021, 908761), (3743, 733467), (4137, 663613), (4613, 595137), (7049, 389469), (10441, 262941), (11229, 244489), (12521, 219261), (13839, 198379), (21147, 129823), (26201, 104781), (31323, 87647), (34927, 78603), (37563, 73087)]