2481381

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{691}}^1$

素因数の和:726

約数の個数: 32

約数和(自身を含む): 4428800

約数和(自身を除く): 1947419

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 399, 513, 691, 1197, 2073, 3591, 4837, 6219, 13129, 14511, 18657, 39387, 43533, 91903, 118161, 130599, 275709, 354483, 827127, 2481381]

約数ペア:

[(1, 2481381), (3, 827127), (7, 354483), (9, 275709), (19, 130599), (21, 118161), (27, 91903), (57, 43533), (63, 39387), (133, 18657), (171, 14511), (189, 13129), (399, 6219), (513, 4837), (691, 3591), (1197, 2073)]