890855679

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1447}}^1\times {\mathrm{1543}}^1$

素因数の和:3019

約数の個数: 32

約数和(自身を含む): 1430855680

約数和(自身を除く): 540000001

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 1447, 1543, 4341, 4629, 10129, 10801, 27493, 29317, 30387, 32403, 82479, 87951, 192451, 205219, 577353, 615657, 2232721, 6698163, 15629047, 42421699, 46887141, 127265097, 296951893, 890855679]

約数ペア:

[(1, 890855679), (3, 296951893), (7, 127265097), (19, 46887141), (21, 42421699), (57, 15629047), (133, 6698163), (399, 2232721), (1447, 615657), (1543, 577353), (4341, 205219), (4629, 192451), (10129, 87951), (10801, 82479), (27493, 32403), (29317, 30387)]