71621595

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{373}}^1$

素因数の和:652

約数の個数: 48

約数和(自身を含む): 132324192

約数和(自身を除く): 60702597

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 251, 255, 373, 753, 765, 1119, 1255, 1865, 2259, 3357, 3765, 4267, 5595, 6341, 11295, 12801, 16785, 19023, 21335, 31705, 38403, 57069, 64005, 93623, 95115, 192015, 280869, 285345, 468115, 842607, 1404345, 1591591, 4213035, 4774773, 7957955, 14324319, 23873865, 71621595]

約数ペア:

[(1, 71621595), (3, 23873865), (5, 14324319), (9, 7957955), (15, 4774773), (17, 4213035), (45, 1591591), (51, 1404345), (85, 842607), (153, 468115), (251, 285345), (255, 280869), (373, 192015), (753, 95115), (765, 93623), (1119, 64005), (1255, 57069), (1865, 38403), (2259, 31705), (3357, 21335), (3765, 19023), (4267, 16785), (5595, 12801), (6341, 11295)]