64271889

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{727}}^1$

素因数の和:810

約数の個数: 48

約数和(自身を含む): 109025280

約数和(自身を除く): 44753391

約数列:

[1, 3, 9, 11, 19, 33, 47, 57, 99, 141, 171, 209, 423, 517, 627, 727, 893, 1551, 1881, 2181, 2679, 4653, 6543, 7997, 8037, 9823, 13813, 23991, 29469, 34169, 41439, 71973, 88407, 102507, 124317, 151943, 307521, 375859, 455829, 649211, 1127577, 1367487, 1947633, 3382731, 5842899, 7141321, 21423963, 64271889]

約数ペア:

[(1, 64271889), (3, 21423963), (9, 7141321), (11, 5842899), (19, 3382731), (33, 1947633), (47, 1367487), (57, 1127577), (99, 649211), (141, 455829), (171, 375859), (209, 307521), (423, 151943), (517, 124317), (627, 102507), (727, 88407), (893, 71973), (1551, 41439), (1881, 34169), (2181, 29469), (2679, 23991), (4653, 13813), (6543, 9823), (7997, 8037)]