48990987

素因数分解:

$3^9\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:177

約数の個数: 40

約数和(自身を含む): 77943360

約数和(自身を除く): 28952373

約数列:

[1, 3, 9, 19, 27, 57, 81, 131, 171, 243, 393, 513, 729, 1179, 1539, 2187, 2489, 3537, 4617, 6561, 7467, 10611, 13851, 19683, 22401, 31833, 41553, 67203, 95499, 124659, 201609, 286497, 373977, 604827, 859491, 1814481, 2578473, 5443443, 16330329, 48990987]

約数ペア:

[(1, 48990987), (3, 16330329), (9, 5443443), (19, 2578473), (27, 1814481), (57, 859491), (81, 604827), (131, 373977), (171, 286497), (243, 201609), (393, 124659), (513, 95499), (729, 67203), (1179, 41553), (1539, 31833), (2187, 22401), (2489, 19683), (3537, 13851), (4617, 10611), (6561, 7467)]