213054369

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{1499}}^1$

素因数の和:1645

約数の個数: 32

約数和(自身を含む): 319680000

約数和(自身を除く): 106625631

約数列:

[1, 3, 11, 33, 59, 73, 177, 219, 649, 803, 1499, 1947, 2409, 4307, 4497, 12921, 16489, 47377, 49467, 88441, 109427, 142131, 265323, 328281, 972851, 1203697, 2918553, 3611091, 6456193, 19368579, 71018123, 213054369]

約数ペア:

[(1, 213054369), (3, 71018123), (11, 19368579), (33, 6456193), (59, 3611091), (73, 2918553), (177, 1203697), (219, 972851), (649, 328281), (803, 265323), (1499, 142131), (1947, 109427), (2409, 88441), (4307, 49467), (4497, 47377), (12921, 16489)]