84390855

素因数分解:

$3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{641}}^1$

素因数の和:847

約数の個数: 32

約数和(自身を含む): 138302208

約数和(自身を除く): 53911353

約数列:

[1, 3, 5, 15, 67, 131, 201, 335, 393, 641, 655, 1005, 1923, 1965, 3205, 8777, 9615, 26331, 42947, 43885, 83971, 128841, 131655, 214735, 251913, 419855, 644205, 1259565, 5626057, 16878171, 28130285, 84390855]

約数ペア:

[(1, 84390855), (3, 28130285), (5, 16878171), (15, 5626057), (67, 1259565), (131, 644205), (201, 419855), (335, 251913), (393, 214735), (641, 131655), (655, 128841), (1005, 83971), (1923, 43885), (1965, 42947), (3205, 26331), (8777, 9615)]