15355249

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1$

素因数の和:229

約数の個数: 32

約数和(自身を含む): 20321280

約数和(自身を除く): 4966031

約数列:

[1, 7, 13, 19, 83, 91, 107, 133, 247, 581, 749, 1079, 1391, 1577, 1729, 2033, 7553, 8881, 9737, 11039, 14231, 20501, 26429, 62167, 115453, 143507, 168739, 185003, 808171, 1181173, 2193607, 15355249]

約数ペア:

[(1, 15355249), (7, 2193607), (13, 1181173), (19, 808171), (83, 185003), (91, 168739), (107, 143507), (133, 115453), (247, 62167), (581, 26429), (749, 20501), (1079, 14231), (1391, 11039), (1577, 9737), (1729, 8881), (2033, 7553)]