213203997

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{359}}^1$

素因数の和:558

約数の個数: 48

約数和(自身を含む): 341452800

約数和(自身を除く): 128248803

約数列:

[1, 3, 9, 19, 23, 57, 69, 151, 171, 207, 359, 437, 453, 1077, 1311, 1359, 2869, 3231, 3473, 3933, 6821, 8257, 8607, 10419, 20463, 24771, 25821, 31257, 54209, 61389, 65987, 74313, 156883, 162627, 197961, 470649, 487881, 593883, 1029971, 1246807, 1411947, 3089913, 3740421, 9269739, 11221263, 23689333, 71067999, 213203997]

約数ペア:

[(1, 213203997), (3, 71067999), (9, 23689333), (19, 11221263), (23, 9269739), (57, 3740421), (69, 3089913), (151, 1411947), (171, 1246807), (207, 1029971), (359, 593883), (437, 487881), (453, 470649), (1077, 197961), (1311, 162627), (1359, 156883), (2869, 74313), (3231, 65987), (3473, 61389), (3933, 54209), (6821, 31257), (8257, 25821), (8607, 24771), (10419, 20463)]