621781155

素因数分解:

$3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{181}}^1\times {\mathrm{787}}^1$

素因数の和:1076

約数の個数: 48

約数和(自身を含む): 1096271904

約数和(自身を除く): 474490749

約数列:

[1, 3, 5, 9, 15, 45, 97, 181, 291, 485, 543, 787, 873, 905, 1455, 1629, 2361, 2715, 3935, 4365, 7083, 8145, 11805, 17557, 35415, 52671, 76339, 87785, 142447, 158013, 229017, 263355, 381695, 427341, 687051, 712235, 790065, 1145085, 1282023, 2136705, 3435255, 6410115, 13817359, 41452077, 69086795, 124356231, 207260385, 621781155]

約数ペア:

[(1, 621781155), (3, 207260385), (5, 124356231), (9, 69086795), (15, 41452077), (45, 13817359), (97, 6410115), (181, 3435255), (291, 2136705), (485, 1282023), (543, 1145085), (787, 790065), (873, 712235), (905, 687051), (1455, 427341), (1629, 381695), (2361, 263355), (2715, 229017), (3935, 158013), (4365, 142447), (7083, 87785), (8145, 76339), (11805, 52671), (17557, 35415)]