71821719

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{16187}}^1$

素因数の和:16239

約数の個数: 24

約数和(自身を含む): 113639760

約数和(自身を除く): 41818041

約数列:

[1, 3, 9, 17, 29, 51, 87, 153, 261, 493, 1479, 4437, 16187, 48561, 145683, 275179, 469423, 825537, 1408269, 2476611, 4224807, 7980191, 23940573, 71821719]

約数ペア:

[(1, 71821719), (3, 23940573), (9, 7980191), (17, 4224807), (29, 2476611), (51, 1408269), (87, 825537), (153, 469423), (261, 275179), (493, 145683), (1479, 48561), (4437, 16187)]