55990509

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{509}}^1\times {\mathrm{991}}^1$

素因数の和:1540

約数の個数: 16

約数和(自身を含む): 76899840

約数和(自身を除く): 20909331

約数列:

[1, 3, 37, 111, 509, 991, 1527, 2973, 18833, 36667, 56499, 110001, 504419, 1513257, 18663503, 55990509]

約数ペア:

[(1, 55990509), (3, 18663503), (37, 1513257), (111, 504419), (509, 110001), (991, 56499), (1527, 36667), (2973, 18833)]