821304621

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{5711}}^1$

素因数の和:5794

約数の個数: 36

約数和(自身を含む): 1293539520

約数和(自身を除く): 472234899

約数列:

[1, 3, 9, 19, 29, 57, 87, 171, 261, 551, 841, 1653, 2523, 4959, 5711, 7569, 15979, 17133, 47937, 51399, 108509, 143811, 165619, 325527, 496857, 976581, 1490571, 3146761, 4802951, 9440283, 14408853, 28320849, 43226559, 91256069, 273768207, 821304621]

約数ペア:

[(1, 821304621), (3, 273768207), (9, 91256069), (19, 43226559), (29, 28320849), (57, 14408853), (87, 9440283), (171, 4802951), (261, 3146761), (551, 1490571), (841, 976581), (1653, 496857), (2523, 325527), (4959, 165619), (5711, 143811), (7569, 108509), (15979, 51399), (17133, 47937)]