127921035

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{281}}^1$

素因数の和:420

約数の個数: 64

約数和(自身を含む): 233902080

約数和(自身を除く): 105981045

約数列:

[1, 3, 5, 11, 15, 31, 33, 55, 89, 93, 155, 165, 267, 281, 341, 445, 465, 843, 979, 1023, 1335, 1405, 1705, 2759, 2937, 3091, 4215, 4895, 5115, 8277, 8711, 9273, 13795, 14685, 15455, 25009, 26133, 30349, 41385, 43555, 46365, 75027, 91047, 95821, 125045, 130665, 151745, 275099, 287463, 375135, 455235, 479105, 775279, 825297, 1375495, 1437315, 2325837, 3876395, 4126485, 8528069, 11629185, 25584207, 42640345, 127921035]

約数ペア:

[(1, 127921035), (3, 42640345), (5, 25584207), (11, 11629185), (15, 8528069), (31, 4126485), (33, 3876395), (55, 2325837), (89, 1437315), (93, 1375495), (155, 825297), (165, 775279), (267, 479105), (281, 455235), (341, 375135), (445, 287463), (465, 275099), (843, 151745), (979, 130665), (1023, 125045), (1335, 95821), (1405, 91047), (1705, 75027), (2759, 46365), (2937, 43555), (3091, 41385), (4215, 30349), (4895, 26133), (5115, 25009), (8277, 15455), (8711, 14685), (9273, 13795)]