161489664021

素因数分解:

$3^1\times 7^3\times {\mathrm{156938449}}^1$

素因数の和:156938473

約数の個数: 16

約数和(自身を含む): 251101520000

約数和(自身を除く): 89611855979

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 156938449, 470815347, 1098569143, 3295707429, 7689984001, 23069952003, 53829888007, 161489664021]

約数ペア:

[(1, 161489664021), (3, 53829888007), (7, 23069952003), (21, 7689984001), (49, 3295707429), (147, 1098569143), (343, 470815347), (1029, 156938449)]