155345729

素因数分解:

$7^3\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{197}}^1$

素因数の和:259

約数の個数: 48

約数和(自身を含む): 210672000

約数和(自身を除く): 55326271

約数列:

[1, 7, 11, 19, 49, 77, 121, 133, 197, 209, 343, 539, 847, 931, 1379, 1463, 2167, 2299, 3743, 3773, 5929, 6517, 9653, 10241, 15169, 16093, 23837, 26201, 41173, 41503, 67571, 71687, 106183, 112651, 166859, 183407, 288211, 452903, 743281, 788557, 1168013, 1283849, 2017477, 3170321, 8176091, 14122339, 22192247, 155345729]

約数ペア:

[(1, 155345729), (7, 22192247), (11, 14122339), (19, 8176091), (49, 3170321), (77, 2017477), (121, 1283849), (133, 1168013), (197, 788557), (209, 743281), (343, 452903), (539, 288211), (847, 183407), (931, 166859), (1379, 112651), (1463, 106183), (2167, 71687), (2299, 67571), (3743, 41503), (3773, 41173), (5929, 26201), (6517, 23837), (9653, 16093), (10241, 15169)]