1788891111

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1\times {\mathrm{4001}}^1$

素因数の和:4212

約数の個数: 48

約数和(自身を含む): 3036653568

約数和(自身を除く): 1247762457

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 151, 329, 423, 453, 987, 1057, 1359, 2961, 3171, 4001, 7097, 9513, 12003, 21291, 28007, 36009, 49679, 63873, 84021, 149037, 188047, 252063, 447111, 564141, 604151, 1316329, 1692423, 1812453, 3948987, 4229057, 5437359, 11846961, 12687171, 28395097, 38061513, 85185291, 198765679, 255555873, 596297037, 1788891111]

約数ペア:

[(1, 1788891111), (3, 596297037), (7, 255555873), (9, 198765679), (21, 85185291), (47, 38061513), (63, 28395097), (141, 12687171), (151, 11846961), (329, 5437359), (423, 4229057), (453, 3948987), (987, 1812453), (1057, 1692423), (1359, 1316329), (2961, 604151), (3171, 564141), (4001, 447111), (7097, 252063), (9513, 188047), (12003, 149037), (21291, 84021), (28007, 63873), (36009, 49679)]