81975672

素因数分解:

$2^3\times 3^3\times {\mathrm{191}}^1\times {\mathrm{1987}}^1$

素因数の和:2193

約数の個数: 64

約数和(自身を含む): 229017600

約数和(自身を除く): 147041928

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 191, 216, 382, 573, 764, 1146, 1528, 1719, 1987, 2292, 3438, 3974, 4584, 5157, 5961, 6876, 7948, 10314, 11922, 13752, 15896, 17883, 20628, 23844, 35766, 41256, 47688, 53649, 71532, 107298, 143064, 214596, 379517, 429192, 759034, 1138551, 1518068, 2277102, 3036136, 3415653, 4554204, 6831306, 9108408, 10246959, 13662612, 20493918, 27325224, 40987836, 81975672]

約数ペア:

[(1, 81975672), (2, 40987836), (3, 27325224), (4, 20493918), (6, 13662612), (8, 10246959), (9, 9108408), (12, 6831306), (18, 4554204), (24, 3415653), (27, 3036136), (36, 2277102), (54, 1518068), (72, 1138551), (108, 759034), (191, 429192), (216, 379517), (382, 214596), (573, 143064), (764, 107298), (1146, 71532), (1528, 53649), (1719, 47688), (1987, 41256), (2292, 35766), (3438, 23844), (3974, 20628), (4584, 17883), (5157, 15896), (5961, 13752), (6876, 11922), (7948, 10314)]