216420827

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{7853}}^1$

素因数の和:8018

約数の個数: 16

約数和(自身を含む): 257359872

約数和(自身を除く): 40939045

約数列:

[1, 7, 31, 127, 217, 889, 3937, 7853, 27559, 54971, 243443, 997331, 1704101, 6981317, 30917261, 216420827]

約数ペア:

[(1, 216420827), (7, 30917261), (31, 6981317), (127, 1704101), (217, 997331), (889, 243443), (3937, 54971), (7853, 27559)]