51687558

素因数分解:

$2^1\times 3^9\times {\mathrm{13}}^1\times {\mathrm{101}}^1$

素因数の和:143

約数の個数: 80

約数和(自身を含む): 126480816

約数和(自身を除く): 74793258

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 101, 117, 162, 202, 234, 243, 303, 351, 486, 606, 702, 729, 909, 1053, 1313, 1458, 1818, 2106, 2187, 2626, 2727, 3159, 3939, 4374, 5454, 6318, 6561, 7878, 8181, 9477, 11817, 13122, 16362, 18954, 19683, 23634, 24543, 28431, 35451, 39366, 49086, 56862, 70902, 73629, 85293, 106353, 147258, 170586, 212706, 220887, 255879, 319059, 441774, 511758, 638118, 662661, 957177, 1325322, 1914354, 1987983, 2871531, 3975966, 5743062, 8614593, 17229186, 25843779, 51687558]

約数ペア:

[(1, 51687558), (2, 25843779), (3, 17229186), (6, 8614593), (9, 5743062), (13, 3975966), (18, 2871531), (26, 1987983), (27, 1914354), (39, 1325322), (54, 957177), (78, 662661), (81, 638118), (101, 511758), (117, 441774), (162, 319059), (202, 255879), (234, 220887), (243, 212706), (303, 170586), (351, 147258), (486, 106353), (606, 85293), (702, 73629), (729, 70902), (909, 56862), (1053, 49086), (1313, 39366), (1458, 35451), (1818, 28431), (2106, 24543), (2187, 23634), (2626, 19683), (2727, 18954), (3159, 16362), (3939, 13122), (4374, 11817), (5454, 9477), (6318, 8181), (6561, 7878)]