71156463

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{1283}}^1$

素因数の和:1451

約数の個数: 32

約数和(自身を含む): 115046400

約数和(自身を除く): 43889937

約数列:

[1, 3, 7, 19, 21, 57, 133, 139, 399, 417, 973, 1283, 2641, 2919, 3849, 7923, 8981, 18487, 24377, 26943, 55461, 73131, 170639, 178337, 511917, 535011, 1248359, 3388403, 3745077, 10165209, 23718821, 71156463]

約数ペア:

[(1, 71156463), (3, 23718821), (7, 10165209), (19, 3745077), (21, 3388403), (57, 1248359), (133, 535011), (139, 511917), (399, 178337), (417, 170639), (973, 73131), (1283, 55461), (2641, 26943), (2919, 24377), (3849, 18487), (7923, 8981)]