26339187

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{263}}^1$

素因数の和:543

約数の個数: 32

約数和(自身を含む): 42577920

約数和(自身を除く): 16238733

約数列:

[1, 3, 7, 19, 21, 57, 133, 251, 263, 399, 753, 789, 1757, 1841, 4769, 4997, 5271, 5523, 14307, 14991, 33383, 34979, 66013, 100149, 104937, 198039, 462091, 1254247, 1386273, 3762741, 8779729, 26339187]

約数ペア:

[(1, 26339187), (3, 8779729), (7, 3762741), (19, 1386273), (21, 1254247), (57, 462091), (133, 198039), (251, 104937), (263, 100149), (399, 66013), (753, 34979), (789, 33383), (1757, 14991), (1841, 14307), (4769, 5523), (4997, 5271)]