86951961

素因数分解:

$3^5\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{509}}^1$

素因数の和:580

約数の個数: 48

約数和(自身を含む): 141086400

約数和(自身を除く): 54134439

約数列:

[1, 3, 9, 19, 27, 37, 57, 81, 111, 171, 243, 333, 509, 513, 703, 999, 1527, 1539, 2109, 2997, 4581, 4617, 6327, 8991, 9671, 13743, 18833, 18981, 29013, 41229, 56499, 56943, 87039, 123687, 169497, 170829, 261117, 357827, 508491, 783351, 1073481, 1525473, 2350053, 3220443, 4576419, 9661329, 28983987, 86951961]

約数ペア:

[(1, 86951961), (3, 28983987), (9, 9661329), (19, 4576419), (27, 3220443), (37, 2350053), (57, 1525473), (81, 1073481), (111, 783351), (171, 508491), (243, 357827), (333, 261117), (509, 170829), (513, 169497), (703, 123687), (999, 87039), (1527, 56943), (1539, 56499), (2109, 41229), (2997, 29013), (4581, 18981), (4617, 18833), (6327, 13743), (8991, 9671)]