215577459

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{61261}}^1$

素因数の和:61307

約数の個数: 24

約数和(自身を含む): 344047392

約数和(自身を除く): 128469933

約数列:

[1, 3, 9, 17, 23, 51, 69, 153, 207, 391, 1173, 3519, 61261, 183783, 551349, 1041437, 1409003, 3124311, 4227009, 9372933, 12681027, 23953051, 71859153, 215577459]

約数ペア:

[(1, 215577459), (3, 71859153), (9, 23953051), (17, 12681027), (23, 9372933), (51, 4227009), (69, 3124311), (153, 1409003), (207, 1041437), (391, 551349), (1173, 183783), (3519, 61261)]