28782369

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1013}}^1$

素因数の和:1078

約数の個数: 48

約数和(自身を含む): 53149824

約数和(自身を除く): 24367455

約数列:

[1, 3, 7, 9, 11, 21, 33, 41, 63, 77, 99, 123, 231, 287, 369, 451, 693, 861, 1013, 1353, 2583, 3039, 3157, 4059, 7091, 9117, 9471, 11143, 21273, 28413, 33429, 41533, 63819, 78001, 100287, 124599, 234003, 290731, 373797, 456863, 702009, 872193, 1370589, 2616579, 3198041, 4111767, 9594123, 28782369]

約数ペア:

[(1, 28782369), (3, 9594123), (7, 4111767), (9, 3198041), (11, 2616579), (21, 1370589), (33, 872193), (41, 702009), (63, 456863), (77, 373797), (99, 290731), (123, 234003), (231, 124599), (287, 100287), (369, 78001), (451, 63819), (693, 41533), (861, 33429), (1013, 28413), (1353, 21273), (2583, 11143), (3039, 9471), (3157, 9117), (4059, 7091)]