16704261

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1$

素因数の和:306

約数の個数: 48

約数和(自身を含む): 29352960

約数和(自身を除く): 12648699

約数列:

[1, 3, 7, 9, 21, 29, 41, 63, 87, 123, 203, 223, 261, 287, 369, 609, 669, 861, 1189, 1561, 1827, 2007, 2583, 3567, 4683, 6467, 8323, 9143, 10701, 14049, 19401, 24969, 27429, 45269, 58203, 64001, 74907, 82287, 135807, 192003, 265147, 407421, 576009, 795441, 1856029, 2386323, 5568087, 16704261]

約数ペア:

[(1, 16704261), (3, 5568087), (7, 2386323), (9, 1856029), (21, 795441), (29, 576009), (41, 407421), (63, 265147), (87, 192003), (123, 135807), (203, 82287), (223, 74907), (261, 64001), (287, 58203), (369, 45269), (609, 27429), (669, 24969), (861, 19401), (1189, 14049), (1561, 10701), (1827, 9143), (2007, 8323), (2583, 6467), (3567, 4683)]