2808351

素因数分解:

$3^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1$

素因数の和:162

約数の個数: 48

約数和(自身を含む): 5218304

約数和(自身を除く): 2409953

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 127, 189, 243, 273, 351, 381, 567, 819, 889, 1053, 1143, 1651, 1701, 2457, 2667, 3159, 3429, 4953, 7371, 8001, 10287, 11557, 14859, 22113, 24003, 30861, 34671, 44577, 72009, 104013, 133731, 216027, 312039, 401193, 936117, 2808351]

約数ペア:

[(1, 2808351), (3, 936117), (7, 401193), (9, 312039), (13, 216027), (21, 133731), (27, 104013), (39, 72009), (63, 44577), (81, 34671), (91, 30861), (117, 24003), (127, 22113), (189, 14859), (243, 11557), (273, 10287), (351, 8001), (381, 7371), (567, 4953), (819, 3429), (889, 3159), (1053, 2667), (1143, 2457), (1651, 1701)]