438492789

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{240007}}^1$

素因数の和:240049

約数の個数: 24

約数和(自身を含む): 748824960

約数和(自身を除く): 310332171

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 240007, 720021, 1680049, 2160063, 5040147, 6960203, 15120441, 20880609, 48721421, 62641827, 146164263, 438492789]

約数ペア:

[(1, 438492789), (3, 146164263), (7, 62641827), (9, 48721421), (21, 20880609), (29, 15120441), (63, 6960203), (87, 5040147), (203, 2160063), (261, 1680049), (609, 720021), (1827, 240007)]