28169883

素因数分解:

$3^3\times 7^1\times {\mathrm{113}}^1\times {\mathrm{1319}}^1$

素因数の和:1448

約数の個数: 32

約数和(自身を含む): 48153600

約数和(自身を除く): 19983717

約数列:

[1, 3, 7, 9, 21, 27, 63, 113, 189, 339, 791, 1017, 1319, 2373, 3051, 3957, 7119, 9233, 11871, 21357, 27699, 35613, 83097, 149047, 249291, 447141, 1043329, 1341423, 3129987, 4024269, 9389961, 28169883]

約数ペア:

[(1, 28169883), (3, 9389961), (7, 4024269), (9, 3129987), (21, 1341423), (27, 1043329), (63, 447141), (113, 249291), (189, 149047), (339, 83097), (791, 35613), (1017, 27699), (1319, 21357), (2373, 11871), (3051, 9233), (3957, 7119)]