208775427

素因数分解:

$3^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{211}}^1$

素因数の和:408

約数の個数: 48

約数和(自身を含む): 334098432

約数和(自身を除く): 125323005

約数列:

[1, 3, 7, 21, 49, 53, 127, 147, 159, 211, 371, 381, 633, 889, 1113, 1477, 2597, 2667, 4431, 6223, 6731, 7791, 10339, 11183, 18669, 20193, 26797, 31017, 33549, 47117, 78281, 80391, 141351, 187579, 234843, 329819, 547967, 562737, 989457, 1313053, 1420241, 1643901, 3939159, 4260723, 9941687, 29825061, 69591809, 208775427]

約数ペア:

[(1, 208775427), (3, 69591809), (7, 29825061), (21, 9941687), (49, 4260723), (53, 3939159), (127, 1643901), (147, 1420241), (159, 1313053), (211, 989457), (371, 562737), (381, 547967), (633, 329819), (889, 234843), (1113, 187579), (1477, 141351), (2597, 80391), (2667, 78281), (4431, 47117), (6223, 33549), (6731, 31017), (7791, 26797), (10339, 20193), (11183, 18669)]