80970729

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{2039}}^1$

素因数の和:2141

約数の個数: 32

約数和(自身を含む): 129515520

約数和(自身を除く): 48544791

約数列:

[1, 3, 7, 21, 31, 61, 93, 183, 217, 427, 651, 1281, 1891, 2039, 5673, 6117, 13237, 14273, 39711, 42819, 63209, 124379, 189627, 373137, 442463, 870653, 1327389, 2611959, 3855749, 11567247, 26990243, 80970729]

約数ペア:

[(1, 80970729), (3, 26990243), (7, 11567247), (21, 3855749), (31, 2611959), (61, 1327389), (93, 870653), (183, 442463), (217, 373137), (427, 189627), (651, 124379), (1281, 63209), (1891, 42819), (2039, 39711), (5673, 14273), (6117, 13237)]