30686121

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:315

約数の個数: 40

約数和(自身を含む): 48942080

約数和(自身を除く): 18255959

約数列:

[1, 3, 9, 19, 27, 57, 81, 127, 157, 171, 381, 471, 513, 1143, 1413, 1539, 2413, 2983, 3429, 4239, 7239, 8949, 10287, 12717, 19939, 21717, 26847, 59817, 65151, 80541, 179451, 195453, 241623, 378841, 538353, 1136523, 1615059, 3409569, 10228707, 30686121]

約数ペア:

[(1, 30686121), (3, 10228707), (9, 3409569), (19, 1615059), (27, 1136523), (57, 538353), (81, 378841), (127, 241623), (157, 195453), (171, 179451), (381, 80541), (471, 65151), (513, 59817), (1143, 26847), (1413, 21717), (1539, 19939), (2413, 12717), (2983, 10287), (3429, 8949), (4239, 7239)]