47278287

素因数分解:

$3^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{2281}}^1$

素因数の和:2348

約数の個数: 36

約数和(自身を含む): 81166176

約数和(自身を除く): 33887889

約数列:

[1, 3, 7, 9, 21, 47, 49, 63, 141, 147, 329, 423, 441, 987, 2281, 2303, 2961, 6843, 6909, 15967, 20529, 20727, 47901, 107207, 111769, 143703, 321621, 335307, 750449, 964863, 1005921, 2251347, 5253143, 6754041, 15759429, 47278287]

約数ペア:

[(1, 47278287), (3, 15759429), (7, 6754041), (9, 5253143), (21, 2251347), (47, 1005921), (49, 964863), (63, 750449), (141, 335307), (147, 321621), (329, 143703), (423, 111769), (441, 107207), (987, 47901), (2281, 20727), (2303, 20529), (2961, 15967), (6843, 6909)]