681005907

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{25147}}^1$

素因数の和:25232

約数の個数: 32

約数和(自身を含む): 1086393600

約数和(自身を除く): 405387693

約数列:

[1, 3, 9, 17, 27, 51, 59, 153, 177, 459, 531, 1003, 1593, 3009, 9027, 25147, 27081, 75441, 226323, 427499, 678969, 1282497, 1483673, 3847491, 4451019, 11542473, 13353057, 25222441, 40059171, 75667323, 227001969, 681005907]

約数ペア:

[(1, 681005907), (3, 227001969), (9, 75667323), (17, 40059171), (27, 25222441), (51, 13353057), (59, 11542473), (153, 4451019), (177, 3847491), (459, 1483673), (531, 1282497), (1003, 678969), (1593, 427499), (3009, 226323), (9027, 75441), (25147, 27081)]