347979987

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{353}}^1\times {\mathrm{379}}^1$

素因数の和:772

約数の個数: 36

約数和(自身を含む): 536869320

約数和(自身を除く): 188889333

約数列:

[1, 3, 9, 17, 51, 153, 289, 353, 379, 867, 1059, 1137, 2601, 3177, 3411, 6001, 6443, 18003, 19329, 54009, 57987, 102017, 109531, 133787, 306051, 328593, 401361, 918153, 985779, 1204083, 2274379, 6823137, 20469411, 38664443, 115993329, 347979987]

約数ペア:

[(1, 347979987), (3, 115993329), (9, 38664443), (17, 20469411), (51, 6823137), (153, 2274379), (289, 1204083), (353, 985779), (379, 918153), (867, 401361), (1059, 328593), (1137, 306051), (2601, 133787), (3177, 109531), (3411, 102017), (6001, 57987), (6443, 54009), (18003, 19329)]