213948

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{283}}^1$

素因数の和:303

約数の個数: 48

約数和(自身を含む): 636160

約数和(自身を除く): 422212

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 283, 378, 566, 756, 849, 1132, 1698, 1981, 2547, 3396, 3962, 5094, 5943, 7641, 7924, 10188, 11886, 15282, 17829, 23772, 30564, 35658, 53487, 71316, 106974, 213948]

約数ペア:

[(1, 213948), (2, 106974), (3, 71316), (4, 53487), (6, 35658), (7, 30564), (9, 23772), (12, 17829), (14, 15282), (18, 11886), (21, 10188), (27, 7924), (28, 7641), (36, 5943), (42, 5094), (54, 3962), (63, 3396), (84, 2547), (108, 1981), (126, 1698), (189, 1132), (252, 849), (283, 756), (378, 566)]