420462

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:133

約数の個数: 48

約数和(自身を含む): 1078272

約数和(自身を除く): 657810

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 47, 63, 71, 94, 126, 141, 142, 213, 282, 329, 423, 426, 497, 639, 658, 846, 987, 994, 1278, 1491, 1974, 2961, 2982, 3337, 4473, 5922, 6674, 8946, 10011, 20022, 23359, 30033, 46718, 60066, 70077, 140154, 210231, 420462]

約数ペア:

[(1, 420462), (2, 210231), (3, 140154), (6, 70077), (7, 60066), (9, 46718), (14, 30033), (18, 23359), (21, 20022), (42, 10011), (47, 8946), (63, 6674), (71, 5922), (94, 4473), (126, 3337), (141, 2982), (142, 2961), (213, 1974), (282, 1491), (329, 1278), (423, 994), (426, 987), (497, 846), (639, 658)]