15431087

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:191

約数の個数: 32

約数和(自身を含む): 19906560

約数和(自身を除く): 4475473

約数列:

[1, 7, 17, 31, 47, 89, 119, 217, 329, 527, 623, 799, 1457, 1513, 2759, 3689, 4183, 5593, 10199, 10591, 19313, 24769, 29281, 46903, 71111, 129673, 173383, 328321, 497777, 907711, 2204441, 15431087]

約数ペア:

[(1, 15431087), (7, 2204441), (17, 907711), (31, 497777), (47, 328321), (89, 173383), (119, 129673), (217, 71111), (329, 46903), (527, 29281), (623, 24769), (799, 19313), (1457, 10591), (1513, 10199), (2759, 5593), (3689, 4183)]