71417409

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2521}}^1$

素因数の和:2621

約数の個数: 32

約数和(自身を含む): 116213760

約数和(自身を除く): 44796351

約数列:

[1, 3, 7, 19, 21, 57, 71, 133, 213, 399, 497, 1349, 1491, 2521, 4047, 7563, 9443, 17647, 28329, 47899, 52941, 143697, 178991, 335293, 536973, 1005879, 1252937, 3400829, 3758811, 10202487, 23805803, 71417409]

約数ペア:

[(1, 71417409), (3, 23805803), (7, 10202487), (19, 3758811), (21, 3400829), (57, 1252937), (71, 1005879), (133, 536973), (213, 335293), (399, 178991), (497, 143697), (1349, 52941), (1491, 47899), (2521, 28329), (4047, 17647), (7563, 9443)]