47771871

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1787}}^1$

素因数の和:1883

約数の個数: 32

約数和(自身を含む): 77813760

約数和(自身を除く): 30041889

約数列:

[1, 3, 7, 19, 21, 57, 67, 133, 201, 399, 469, 1273, 1407, 1787, 3819, 5361, 8911, 12509, 26733, 33953, 37527, 101859, 119729, 237671, 359187, 713013, 838103, 2274851, 2514309, 6824553, 15923957, 47771871]

約数ペア:

[(1, 47771871), (3, 15923957), (7, 6824553), (19, 2514309), (21, 2274851), (57, 838103), (67, 713013), (133, 359187), (201, 237671), (399, 119729), (469, 101859), (1273, 37527), (1407, 33953), (1787, 26733), (3819, 12509), (5361, 8911)]