201954963

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{421}}^1\times {\mathrm{431}}^1$

素因数の和:915

約数の個数: 32

約数和(自身を含む): 315021312

約数和(自身を除く): 113066349

約数列:

[1, 3, 7, 21, 53, 159, 371, 421, 431, 1113, 1263, 1293, 2947, 3017, 8841, 9051, 22313, 22843, 66939, 68529, 156191, 159901, 181451, 468573, 479703, 544353, 1270157, 3810471, 9616903, 28850709, 67318321, 201954963]

約数ペア:

[(1, 201954963), (3, 67318321), (7, 28850709), (21, 9616903), (53, 3810471), (159, 1270157), (371, 544353), (421, 479703), (431, 468573), (1113, 181451), (1263, 159901), (1293, 156191), (2947, 68529), (3017, 66939), (8841, 22843), (9051, 22313)]