87971895

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{7727}}^1$

素因数の和:7772

約数の個数: 48

約数和(自身を含む): 173601792

約数和(自身を除く): 85629897

約数列:

[1, 3, 5, 9, 11, 15, 23, 33, 45, 55, 69, 99, 115, 165, 207, 253, 345, 495, 759, 1035, 1265, 2277, 3795, 7727, 11385, 23181, 38635, 69543, 84997, 115905, 177721, 254991, 347715, 424985, 533163, 764973, 888605, 1274955, 1599489, 1954931, 2665815, 3824865, 5864793, 7997445, 9774655, 17594379, 29323965, 87971895]

約数ペア:

[(1, 87971895), (3, 29323965), (5, 17594379), (9, 9774655), (11, 7997445), (15, 5864793), (23, 3824865), (33, 2665815), (45, 1954931), (55, 1599489), (69, 1274955), (99, 888605), (115, 764973), (165, 533163), (207, 424985), (253, 347715), (345, 254991), (495, 177721), (759, 115905), (1035, 84997), (1265, 69543), (2277, 38635), (3795, 23181), (7727, 11385)]