253242639

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{13613}}^1$

素因数の和:13688

約数の個数: 32

約数和(自身を含む): 411687360

約数和(自身を除く): 158444721

約数列:

[1, 3, 9, 13, 27, 39, 53, 117, 159, 351, 477, 689, 1431, 2067, 6201, 13613, 18603, 40839, 122517, 176969, 367551, 530907, 721489, 1592721, 2164467, 4778163, 6493401, 9379357, 19480203, 28138071, 84414213, 253242639]

約数ペア:

[(1, 253242639), (3, 84414213), (9, 28138071), (13, 19480203), (27, 9379357), (39, 6493401), (53, 4778163), (117, 2164467), (159, 1592721), (351, 721489), (477, 530907), (689, 367551), (1431, 176969), (2067, 122517), (6201, 40839), (13613, 18603)]