200990979

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{77813}}^1$

素因数の和:77867

約数の個数: 24

約数和(自身を含む): 339891552

約数和(自身を除く): 138900573

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 287, 369, 861, 2583, 77813, 233439, 544691, 700317, 1634073, 3190333, 4902219, 9570999, 22332331, 28712997, 66996993, 200990979]

約数ペア:

[(1, 200990979), (3, 66996993), (7, 28712997), (9, 22332331), (21, 9570999), (41, 4902219), (63, 3190333), (123, 1634073), (287, 700317), (369, 544691), (861, 233439), (2583, 77813)]