204415545

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{379}}^1\times {\mathrm{877}}^1$

素因数の和:1305

約数の個数: 32

約数和(自身を含む): 336309120

約数和(自身を除く): 131893575

約数列:

[1, 3, 5, 15, 41, 123, 205, 379, 615, 877, 1137, 1895, 2631, 4385, 5685, 13155, 15539, 35957, 46617, 77695, 107871, 179785, 233085, 332383, 539355, 997149, 1661915, 4985745, 13627703, 40883109, 68138515, 204415545]

約数ペア:

[(1, 204415545), (3, 68138515), (5, 40883109), (15, 13627703), (41, 4985745), (123, 1661915), (205, 997149), (379, 539355), (615, 332383), (877, 233085), (1137, 179785), (1895, 107871), (2631, 77695), (4385, 46617), (5685, 35957), (13155, 15539)]