87584889

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:230

約数の個数: 64

約数和(自身を含む): 148520960

約数和(自身を除く): 60936071

約数列:

[1, 3, 7, 19, 21, 31, 57, 73, 93, 97, 133, 217, 219, 291, 399, 511, 589, 651, 679, 1387, 1533, 1767, 1843, 2037, 2263, 3007, 4123, 4161, 5529, 6789, 7081, 9021, 9709, 12369, 12901, 15841, 21049, 21243, 29127, 38703, 42997, 47523, 49567, 57133, 63147, 128991, 134539, 148701, 171399, 219511, 300979, 399931, 403617, 658533, 902937, 941773, 1199793, 1536577, 2825319, 4170709, 4609731, 12512127, 29194963, 87584889]

約数ペア:

[(1, 87584889), (3, 29194963), (7, 12512127), (19, 4609731), (21, 4170709), (31, 2825319), (57, 1536577), (73, 1199793), (93, 941773), (97, 902937), (133, 658533), (217, 403617), (219, 399931), (291, 300979), (399, 219511), (511, 171399), (589, 148701), (651, 134539), (679, 128991), (1387, 63147), (1533, 57133), (1767, 49567), (1843, 47523), (2037, 42997), (2263, 38703), (3007, 29127), (4123, 21243), (4161, 21049), (5529, 15841), (6789, 12901), (7081, 12369), (9021, 9709)]