289780317

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{61}}^2\times {\mathrm{509}}^1$

素因数の和:654

約数の個数: 36

約数和(自身を含む): 451463220

約数和(自身を除く): 161682903

約数列:

[1, 3, 9, 17, 51, 61, 153, 183, 509, 549, 1037, 1527, 3111, 3721, 4581, 8653, 9333, 11163, 25959, 31049, 33489, 63257, 77877, 93147, 189771, 279441, 527833, 569313, 1583499, 1893989, 4750497, 5681967, 17045901, 32197813, 96593439, 289780317]

約数ペア:

[(1, 289780317), (3, 96593439), (9, 32197813), (17, 17045901), (51, 5681967), (61, 4750497), (153, 1893989), (183, 1583499), (509, 569313), (549, 527833), (1037, 279441), (1527, 189771), (3111, 93147), (3721, 77877), (4581, 63257), (8653, 33489), (9333, 31049), (11163, 25959)]