81249966

素因数分解:

$2^1\times 3^6\times 7^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1$

素因数の和:465

約数の個数: 112

約数和(自身を含む): 220348800

約数和(自身を除く): 139098834

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 27, 38, 42, 54, 57, 63, 81, 114, 126, 133, 162, 171, 189, 243, 266, 342, 378, 399, 419, 486, 513, 567, 729, 798, 838, 1026, 1134, 1197, 1257, 1458, 1539, 1701, 2394, 2514, 2933, 3078, 3402, 3591, 3771, 4617, 5103, 5866, 7182, 7542, 7961, 8799, 9234, 10206, 10773, 11313, 13851, 15922, 17598, 21546, 22626, 23883, 26397, 27702, 32319, 33939, 47766, 52794, 55727, 64638, 67878, 71649, 79191, 96957, 101817, 111454, 143298, 158382, 167181, 193914, 203634, 214947, 237573, 305451, 334362, 429894, 475146, 501543, 610902, 644841, 712719, 1003086, 1289682, 1425438, 1504629, 1934523, 2138157, 3009258, 3869046, 4276314, 4513887, 5803569, 9027774, 11607138, 13541661, 27083322, 40624983, 81249966]

約数ペア:

[(1, 81249966), (2, 40624983), (3, 27083322), (6, 13541661), (7, 11607138), (9, 9027774), (14, 5803569), (18, 4513887), (19, 4276314), (21, 3869046), (27, 3009258), (38, 2138157), (42, 1934523), (54, 1504629), (57, 1425438), (63, 1289682), (81, 1003086), (114, 712719), (126, 644841), (133, 610902), (162, 501543), (171, 475146), (189, 429894), (243, 334362), (266, 305451), (342, 237573), (378, 214947), (399, 203634), (419, 193914), (486, 167181), (513, 158382), (567, 143298), (729, 111454), (798, 101817), (838, 96957), (1026, 79191), (1134, 71649), (1197, 67878), (1257, 64638), (1458, 55727), (1539, 52794), (1701, 47766), (2394, 33939), (2514, 32319), (2933, 27702), (3078, 26397), (3402, 23883), (3591, 22626), (3771, 21546), (4617, 17598), (5103, 15922), (5866, 13851), (7182, 11313), (7542, 10773), (7961, 10206), (8799, 9234)]