71047719

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{379}}^1$

素因数の和:572

約数の個数: 32

約数和(自身を含む): 108345600

約数和(自身を除く): 37297881

約数列:

[1, 3, 9, 27, 53, 131, 159, 379, 393, 477, 1137, 1179, 1431, 3411, 3537, 6943, 10233, 20087, 20829, 49649, 60261, 62487, 148947, 180783, 187461, 446841, 542349, 1340523, 2631397, 7894191, 23682573, 71047719]

約数ペア:

[(1, 71047719), (3, 23682573), (9, 7894191), (27, 2631397), (53, 1340523), (131, 542349), (159, 446841), (379, 187461), (393, 180783), (477, 148947), (1137, 62487), (1179, 60261), (1431, 49649), (3411, 20829), (3537, 20087), (6943, 10233)]