2816978499

素因数分解:

$3^3\times {\mathrm{211}}^1\times {\mathrm{643}}^1\times {\mathrm{769}}^1$

素因数の和:1632

約数の個数: 32

約数和(自身を含む): 4205062400

約数和(自身を除く): 1388083901

約数列:

[1, 3, 9, 27, 211, 633, 643, 769, 1899, 1929, 2307, 5697, 5787, 6921, 17361, 20763, 135673, 162259, 407019, 486777, 494467, 1221057, 1460331, 1483401, 3663171, 4380993, 4450203, 13350609, 104332537, 312997611, 938992833, 2816978499]

約数ペア:

[(1, 2816978499), (3, 938992833), (9, 312997611), (27, 104332537), (211, 13350609), (633, 4450203), (643, 4380993), (769, 3663171), (1899, 1483401), (1929, 1460331), (2307, 1221057), (5697, 494467), (5787, 486777), (6921, 407019), (17361, 162259), (20763, 135673)]