7197561

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{859}}^1$

素因数の和:898

約数の個数: 36

約数和(自身を含む): 12745200

約数和(自身を除く): 5547639

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 399, 441, 859, 931, 1197, 2577, 2793, 6013, 7731, 8379, 16321, 18039, 42091, 48963, 54117, 114247, 126273, 146889, 342741, 378819, 799729, 1028223, 2399187, 7197561]

約数ペア:

[(1, 7197561), (3, 2399187), (7, 1028223), (9, 799729), (19, 378819), (21, 342741), (49, 146889), (57, 126273), (63, 114247), (133, 54117), (147, 48963), (171, 42091), (399, 18039), (441, 16321), (859, 8379), (931, 7731), (1197, 6013), (2577, 2793)]