28765221

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{8273}}^1$

素因数の和:8356

約数の個数: 16

約数和(自身を含む): 41039040

約数和(自身を除く): 12273819

約数列:

[1, 3, 19, 57, 61, 183, 1159, 3477, 8273, 24819, 157187, 471561, 504653, 1513959, 9588407, 28765221]

約数ペア:

[(1, 28765221), (3, 9588407), (19, 1513959), (57, 504653), (61, 471561), (183, 157187), (1159, 24819), (3477, 8273)]