28215549

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{4397}}^1$

素因数の和:4457

約数の個数: 24

約数和(自身を含む): 43909632

約数和(自身を除く): 15694083

約数列:

[1, 3, 9, 23, 31, 69, 93, 207, 279, 713, 2139, 4397, 6417, 13191, 39573, 101131, 136307, 303393, 408921, 910179, 1226763, 3135061, 9405183, 28215549]

約数ペア:

[(1, 28215549), (3, 9405183), (9, 3135061), (23, 1226763), (31, 910179), (69, 408921), (93, 303393), (207, 136307), (279, 101131), (713, 39573), (2139, 13191), (4397, 6417)]