249532215

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{281}}^1\times {\mathrm{1117}}^1$

素因数の和:1459

約数の個数: 32

約数和(自身を含む): 408597696

約数和(自身を除く): 159065481

約数列:

[1, 3, 5, 15, 53, 159, 265, 281, 795, 843, 1117, 1405, 3351, 4215, 5585, 14893, 16755, 44679, 59201, 74465, 177603, 223395, 296005, 313877, 888015, 941631, 1569385, 4708155, 16635481, 49906443, 83177405, 249532215]

約数ペア:

[(1, 249532215), (3, 83177405), (5, 49906443), (15, 16635481), (53, 4708155), (159, 1569385), (265, 941631), (281, 888015), (795, 313877), (843, 296005), (1117, 223395), (1405, 177603), (3351, 74465), (4215, 59201), (5585, 44679), (14893, 16755)]