201871917

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{13171}}^1$

素因数の和:13321

約数の個数: 24

約数和(自身を含む): 316444128

約数和(自身を除く): 114572211

約数列:

[1, 3, 9, 13, 39, 117, 131, 393, 1179, 1703, 5109, 13171, 15327, 39513, 118539, 171223, 513669, 1541007, 1725401, 5176203, 15528609, 22430213, 67290639, 201871917]

約数ペア:

[(1, 201871917), (3, 67290639), (9, 22430213), (13, 15528609), (39, 5176203), (117, 1725401), (131, 1541007), (393, 513669), (1179, 171223), (1703, 118539), (5109, 39513), (13171, 15327)]