81026841

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{229}}^1$

素因数の和:358

約数の個数: 48

約数和(自身を含む): 132148800

約数和(自身を除く): 51121959

約数列:

[1, 3, 7, 21, 29, 49, 83, 87, 147, 203, 229, 249, 581, 609, 687, 1421, 1603, 1743, 2407, 4067, 4263, 4809, 6641, 7221, 11221, 12201, 16849, 19007, 19923, 33663, 46487, 50547, 57021, 117943, 133049, 139461, 325409, 353829, 399147, 551203, 931343, 976227, 1653609, 2794029, 3858421, 11575263, 27008947, 81026841]

約数ペア:

[(1, 81026841), (3, 27008947), (7, 11575263), (21, 3858421), (29, 2794029), (49, 1653609), (83, 976227), (87, 931343), (147, 551203), (203, 399147), (229, 353829), (249, 325409), (581, 139461), (609, 133049), (687, 117943), (1421, 57021), (1603, 50547), (1743, 46487), (2407, 33663), (4067, 19923), (4263, 19007), (4809, 16849), (6641, 12201), (7221, 11221)]