520018551

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{10867}}^1$

素因数の和:11295

約数の個数: 24

約数和(自身を含む): 810970160

約数和(自身を除く): 290951609

約数列:

[1, 3, 9, 13, 39, 117, 409, 1227, 3681, 5317, 10867, 15951, 32601, 47853, 97803, 141271, 423813, 1271439, 4444603, 13333809, 40001427, 57779839, 173339517, 520018551]

約数ペア:

[(1, 520018551), (3, 173339517), (9, 57779839), (13, 40001427), (39, 13333809), (117, 4444603), (409, 1271439), (1227, 423813), (3681, 141271), (5317, 97803), (10867, 47853), (15951, 32601)]