69712881

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{379}}^1\times {\mathrm{461}}^1$

素因数の和:869

約数の個数: 32

約数和(自身を含む): 112358400

約数和(自身を除く): 42645519

約数列:

[1, 3, 7, 19, 21, 57, 133, 379, 399, 461, 1137, 1383, 2653, 3227, 7201, 7959, 8759, 9681, 21603, 26277, 50407, 61313, 151221, 174719, 183939, 524157, 1223033, 3319661, 3669099, 9958983, 23237627, 69712881]

約数ペア:

[(1, 69712881), (3, 23237627), (7, 9958983), (19, 3669099), (21, 3319661), (57, 1223033), (133, 524157), (379, 183939), (399, 174719), (461, 151221), (1137, 61313), (1383, 50407), (2653, 26277), (3227, 21603), (7201, 9681), (7959, 8759)]