31930515

素因数分解:

$3^2\times 5^1\times {\mathrm{83}}^2\times {\mathrm{103}}^1$

素因数の和:280

約数の個数: 36

約数和(自身を含む): 56564976

約数和(自身を除く): 24634461

約数列:

[1, 3, 5, 9, 15, 45, 83, 103, 249, 309, 415, 515, 747, 927, 1245, 1545, 3735, 4635, 6889, 8549, 20667, 25647, 34445, 42745, 62001, 76941, 103335, 128235, 310005, 384705, 709567, 2128701, 3547835, 6386103, 10643505, 31930515]

約数ペア:

[(1, 31930515), (3, 10643505), (5, 6386103), (9, 3547835), (15, 2128701), (45, 709567), (83, 384705), (103, 310005), (249, 128235), (309, 103335), (415, 76941), (515, 62001), (747, 42745), (927, 34445), (1245, 25647), (1545, 20667), (3735, 8549), (4635, 6889)]