10820187

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:184

約数の個数: 48

約数和(自身を含む): 18869760

約数和(自身を除く): 8049573

約数列:

[1, 3, 7, 9, 21, 41, 59, 63, 71, 123, 177, 213, 287, 369, 413, 497, 531, 639, 861, 1239, 1491, 2419, 2583, 2911, 3717, 4189, 4473, 7257, 8733, 12567, 16933, 20377, 21771, 26199, 29323, 37701, 50799, 61131, 87969, 152397, 171749, 183393, 263907, 515247, 1202243, 1545741, 3606729, 10820187]

約数ペア:

[(1, 10820187), (3, 3606729), (7, 1545741), (9, 1202243), (21, 515247), (41, 263907), (59, 183393), (63, 171749), (71, 152397), (123, 87969), (177, 61131), (213, 50799), (287, 37701), (369, 29323), (413, 26199), (497, 21771), (531, 20377), (639, 16933), (861, 12567), (1239, 8733), (1491, 7257), (2419, 4473), (2583, 4189), (2911, 3717)]