27920529

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{467}}^1$

素因数の和:566

約数の個数: 48

約数和(自身を含む): 50424192

約数和(自身を除く): 22503663

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 73, 91, 117, 219, 273, 467, 511, 657, 819, 949, 1401, 1533, 2847, 3269, 4203, 4599, 6071, 6643, 8541, 9807, 18213, 19929, 29421, 34091, 42497, 54639, 59787, 102273, 127491, 238637, 306819, 382473, 443183, 715911, 1329549, 2147733, 3102281, 3988647, 9306843, 27920529]

約数ペア:

[(1, 27920529), (3, 9306843), (7, 3988647), (9, 3102281), (13, 2147733), (21, 1329549), (39, 715911), (63, 443183), (73, 382473), (91, 306819), (117, 238637), (219, 127491), (273, 102273), (467, 59787), (511, 54639), (657, 42497), (819, 34091), (949, 29421), (1401, 19929), (1533, 18213), (2847, 9807), (3269, 8541), (4203, 6643), (4599, 6071)]