27771863

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:287

約数の個数: 32

約数和(自身を含む): 36080640

約数和(自身を除く): 8308777

約数列:

[1, 7, 17, 19, 71, 119, 133, 173, 323, 497, 1207, 1211, 1349, 2261, 2941, 3287, 8449, 9443, 12283, 20587, 22933, 23009, 55879, 85981, 160531, 208811, 233377, 391153, 1461677, 1633639, 3967409, 27771863]

約数ペア:

[(1, 27771863), (7, 3967409), (17, 1633639), (19, 1461677), (71, 391153), (119, 233377), (133, 208811), (173, 160531), (323, 85981), (497, 55879), (1207, 23009), (1211, 22933), (1349, 20587), (2261, 12283), (2941, 9443), (3287, 8449)]