16619883

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1$

素因数の和:347

約数の個数: 32

約数和(自身を含む): 26342400

約数和(自身を除く): 9722517

約数列:

[1, 3, 7, 21, 41, 97, 123, 199, 287, 291, 597, 679, 861, 1393, 2037, 3977, 4179, 8159, 11931, 19303, 24477, 27839, 57113, 57909, 83517, 135121, 171339, 405363, 791423, 2374269, 5539961, 16619883]

約数ペア:

[(1, 16619883), (3, 5539961), (7, 2374269), (21, 791423), (41, 405363), (97, 171339), (123, 135121), (199, 83517), (287, 57909), (291, 57113), (597, 27839), (679, 24477), (861, 19303), (1393, 11931), (2037, 8159), (3977, 4179)]