1040391729

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{128873}}^1$

素因数の和:128918

約数の個数: 32

約数和(自身を含む): 1732066560

約数和(自身を除く): 691674831

約数列:

[1, 3, 9, 13, 23, 27, 39, 69, 117, 207, 299, 351, 621, 897, 2691, 8073, 128873, 386619, 1159857, 1675349, 2964079, 3479571, 5026047, 8892237, 15078141, 26676711, 38533027, 45234423, 80030133, 115599081, 346797243, 1040391729]

約数ペア:

[(1, 1040391729), (3, 346797243), (9, 115599081), (13, 80030133), (23, 45234423), (27, 38533027), (39, 26676711), (69, 15078141), (117, 8892237), (207, 5026047), (299, 3479571), (351, 2964079), (621, 1675349), (897, 1159857), (2691, 386619), (8073, 128873)]