30991851

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{149}}^1\times {\mathrm{191}}^1$

素因数の和:368

約数の個数: 36

約数和(自身を含む): 49795200

約数和(自身を除く): 18803349

約数列:

[1, 3, 9, 11, 33, 99, 121, 149, 191, 363, 447, 573, 1089, 1341, 1639, 1719, 2101, 4917, 6303, 14751, 18029, 18909, 23111, 28459, 54087, 69333, 85377, 162261, 207999, 256131, 313049, 939147, 2817441, 3443539, 10330617, 30991851]

約数ペア:

[(1, 30991851), (3, 10330617), (9, 3443539), (11, 2817441), (33, 939147), (99, 313049), (121, 256131), (149, 207999), (191, 162261), (363, 85377), (447, 69333), (573, 54087), (1089, 28459), (1341, 23111), (1639, 18909), (1719, 18029), (2101, 14751), (4917, 6303)]