31020705

素因数分解:

$3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{4889}}^1$

素因数の和:4950

約数の個数: 32

約数和(自身を含む): 56332800

約数和(自身を除く): 25312095

約数列:

[1, 3, 5, 9, 15, 27, 45, 47, 135, 141, 235, 423, 705, 1269, 2115, 4889, 6345, 14667, 24445, 44001, 73335, 132003, 220005, 229783, 660015, 689349, 1148915, 2068047, 3446745, 6204141, 10340235, 31020705]

約数ペア:

[(1, 31020705), (3, 10340235), (5, 6204141), (9, 3446745), (15, 2068047), (27, 1148915), (45, 689349), (47, 660015), (135, 229783), (141, 220005), (235, 132003), (423, 73335), (705, 44001), (1269, 24445), (2115, 14667), (4889, 6345)]